The ovaries are more usually one pair, but two are sometimes present.
spicuous and well-known feature of ants is the wingless condition of the " workers," as the specialized females, with undeveloped ovaries, which form the largest proportion of the population of ant-communities, are called.
In C. nigrescens and in some other species a zooid may contain a pair of ovaries, a pair of testes, or an ovary and a testis, although the males, females and hermaj phrodites do not differ from one another in external characters.
Ovaries and Spermaries: Gonocoels and Gonoducts.
Gonads limited in number of pairs, testes and ovaries always present in the same individual.
In botany the word is used for ovaries not terminating in a stigma.
We had to remove the uterus — but you still have your ovaries.
The body bears tentacles, but shows no division into hydrorhiza, hydrocaulus or hydranth; it is temporarily fixed and has no perisarc. The polyp is usually hermaphrodite, developing both ovaries and testes in the same individual.
As in all poplars, the catkins expand in early spring, long before the leaves unfold; the ovaries bear four linear stigma lobes; the capsules ripen in May.
But the ovaries of worker ants are in some cases sufficiently developed for the production of eggs, which may give rise parthenogenetically to male, queen or worker offspring.
As an example of the former it has been shown (Beddard) that a large median sac in Lybiodrilus is at first freely open to the coelom, that it later becomes shut off from the same, that it then acquires an external orifice, and, finally, that it encloses the ovary or ovaries, between which and the exterior a passage is thus effected.
or one of them for the testes, and XIII for the ovaries.
These sacs contain the developing sperm cells or eggs, and are with very few exceptions universal in the group. The testes are more commonly thus involved than are the ovaries.
It is indeed only among the Eudrilidae that the enclosure of the ovaries in septal sacs is at all general.
There are, however, in the Eudrilidae, as already mentioned, sacs envolving the ovaries which bore their own way to the exterior, and thus may be termed coelomoducts.
In Heliodrilus the blind extremity of the spermatheca is enclosed in a coelomic sac which is in connexion with the sacs envolving the ovaries and oviducts.
Testes, and occasionally ovaries, enclosed in sacs.
The testes are more numerous than the ovaries, of which latter there are never more than one pair.
The ovaries are solid bodies, of which the outer layer becomes separated from the plug of cells lying within; thus a cavity is formed which is clearly coelom.
- Ovaries of Cockroach, with Oviducts Od and Colleterial Glands CG.
Examples of physiological hypertrophy are found in the ovaries, uterus and mammary glands, where there is an increased functional activity required at the period of gestation.
ov., ovaries; sh.g., shell gland; y.g., yolk gland; r.s., receptaculum seminis; ut., uterus; X 7.
The female organs consist of distinct ovaries and yolk-glands, the ducts of which uniti.
The ovaries open in a similar position but never reach farther forward than the fourth segment.
The development of a true insect society among the Hymenoptera is dependent on a differentiation among the females between individuals with well-developed ovaries (" queens ") whose special function is reproduction; and individuals with reduced or aborted ovaries (" workers ") whose duty is to build the nest, to gather food and to tend and feed the larvae.
Hermaphrodite, the ovaries and testes distinct, with separate apertures.
The reproductive organs, both ovaries and testes, become fused together in the middle of the body.
They consist of solid or tubular ovaries which may be single, double or multiple.
The .- trunk contains a spacious body-cavity filled during the breeding season by the swollen ovaries, and the same is true of the tail if we substitute testes for ovaries.
Dematophora necatrix on roots, Calyptospora Goeppertiana on stems, Ustilago Scabiosae in anthers, Claviceps purpurea in ovaries, &c. Associated with these relations are the specializations which parasites show in regard to the age of the host.
Into the former the ovaries project, though the lumen of the lateral body-cavity is quite shut off from the lumina of the ovaries or uteri.
There are two series of ovaries extending through a large part of the body and accompanied by two uteri; the latter open by two oviducts which debouch into an atrium which also receives the intestine and a single receptaculum seminis, and is continued backward as the cloaca; this opens posteriorly.
The ovaries are epithelial sacs which open into the uteri.
The distinction between queen and worker is not always clear among humble-bees, the female insects varying in size and in the development of their ovaries.
- Ovaries of Queen and Workers (Apis).
o, o, Ovaries.
B, Rudimentary ovaries of ordinary worker.
C, Partiallydeveloped ovaries of fertile worker.
Among peculiarities of the internal organs the segmental arrangement of the ovaries in most members of the order is noteworthy.
perradial, four interradial and ov, Ovaries.
The paired ovaries discharge their products into a median coelemic chamber with lateral branches (C), often called the uterus, from which the ripe ova are discharged by a median dorsal pore into the terminal region of the rectum (cloaca).
The ear loses its starch, and ceases to grow, and its ovaries become penetrated with the white spongy tissue of the mycelium of the fungus which towards the end of the season forms the sclerotium, in which state the fungus lies dormant through the winter.
When the ovaries of the plant become affected with a peculiar fungus (Claviceps purpurea) they become blackened and distorted, constituting ergot.
These last possess ovaries like the queen, but shrunken and aborted so as to render the insect normally incapable of eggproduction.
The ovaries consist of a pair of tubes closely applied together, and continued posteriorly into the oviducts.
The ovaries always contain spermatozoa, some of which project through the ovarian wall into the body cavity.
- Syncarpous Pistil of Flax (Linum), consisting of five carpels, united by their ovaries, while their styles and stigmas are separate.
90), and in this case, when the ovaries form apparently a single body, the organ receives the name of compound ovary; or the union may take place by the ovaries and styles, while the stigmas are disunited; or by the stigmas and the summit of the style only.
Various intermediate states exist, such as partial union of the ovaries, as in the rue, where they coalesce at their base; and partial union of the styles, as in Malvaceae.
Occasionally, divisions take place in ovaries which are not formed by the edges of contiguous carpels.
92), or the one may be erect and the other inverted, as in some species of Spiraea and Aesculus; or they may be placed one above another, each directed similarly, as is the case in ovaries containing a moderate or definite number of ovules.
2), says, " Krohn stated that the structures described by my father as ovaries were in reality salivary glands, also that the oviduct runs down to the orifice described in the Monograph of the Cirripedia as the auditory meatus."
The genital glands, ovaries and testes, are attached to the dorsal wall of the body-cavity, in the immediate vicinity of the kidneys, with which the male glands are intimately connected.
- Of these the thyroid gland, the suprarenal bodies, the spleen, the bile, the bone marrow, the ovaries and some others have been investigated fully.
We had to remove the uterus â€” but you still have your ovaries.
The increased androgen can originate from the ovaries, or the adrenal glands, or from medication.
This means they all have their seeds enclosed in ovaries, which are surrounded by bracts (modified leaves, associated with flowers ).
childbearing age, the ovaries release an egg.
dermoid cyst develops in both ovaries.
eggs from the ovaries to the uterus.
IGF stimulates the follicles in the ovaries, making egg production more likely in humans.
follicles in the ovaries, making egg production more likely in humans.
They then trigger the ovaries to begin to mature more follicles.
follicle Stimulating Hormone FSH is produced by the pituitary gland and acts on the ovaries to stimulate follicle growth.
By doing so the ovaries communicate back to the pituitary gland that the egg follicles have been stimulated and FSH production slows down.
Options after a positive test bilateral mastectomy, but if this option is chosen then logically removal the ovaries should also be considered?
It releases the hormone melatonin which acts on the ovaries to inhibit the estrus cycle.
oocytes obtained from the ovaries of aborted fetuses.
ovaryitoring the ovarian response when using drugs to stimulate the ovaries.
ovaryt ovaries removed are either normal or have benign disease.
ovaryin a new procedure she had slivers of her ovaries taken out and frozen.
ovaryse deposits are sensitive to the hormones produced by the ovaries.
ovarye care of you big hugs Emxx __________________ me 35 pco hubster 35 lots of duffers ICSI Aug 05 -ve Overstimmed!(excited ovaries!
ovary often has sows brought to her that have Cystic Ovaries.
ovaryy 1 woman with normal ovaries had an irregular menstrual cycle.
ovarythe age of around 37, the number of eggs in a woman's ovaries has usually dropped to 25,000.
ovary- The purpose of this study was to assess the hormonal function of transposed ovaries in young women treated for cervical cancer.
Another remote risk to life is from unusually severe reactions to hyperstimulation of the ovaries by the hormones used to induce multiple ovulation.
progesterone production by the ovaries.
removal of the ovaries from heifers also causes an increase in the longitudinal growth of distal bones.
sex hormone produced by the ovaries.
So in a new procedure she had slivers of her ovaries taken out and frozen.
I was told I had the classic cysts on my ovaries & I also struggled to lose weight & was quite spotty.
subfamilyily has been classified into two subfamilies based on the structure of the stamens and ovaries.
Polycystic ovaries are characterized by the presence of many small cysts (fluid filled swellings) around the surface of the ovaries.
testise hormones have effects on the ovaries, uterus, and on the testes in man.
testistify the intestines, and, if present, the vitelline glands and ovaries in the female, and the testes in the male.
theca interna cells of the ovaries to stimulate testosterone secretion.
The fallopian tubes carry eggs from the ovaries to the uterus.
Subjects underwent pelvic ultrasonography to visualize their ovaries in order to diagnose or exclude polycystic ovaries.
vitelline glands and ovaries in the female, and the testes in the male.
The original specimen of C. dodecalophus contained exclusively female zooids, in which a single pair of ovaries (figs.
The testes, which correspond in ?t " te e 'm' ms 's,' c position with the ovaries of a female Cephalodiscus, constitute the greater part of the animal.
Testes several pairs, rarely one pair, continuous with sperm ducts; ovaries, one pair, continuous with oviducts; generative pores single and median.
The ovaries are more extensive in some forms (e.g.
The ovaries (fig.
Wagner made his classical observations on the production of larvae from unfertilized eggs developed in the precociouslyformed ovaries of a larval gall-midge (Cecidomyid), and subsequent observers have confirmed his results by studies on insects of the same family and of the related Chironomidae.
When the flowers form, however, the mycelium sends hyphae into the young ovaries and rapidly replaces the stores of sugar and starch, &c., which would have gone to make the grain, by the soot-like mass of spores so well known as smut, &c. These spores adhere to the grain, and unless destroyed, by "steeping" or other treatment, are sown with it, and again produce sporidia and yeast-conidia which infect the seedlings.
Such bees, although a number of individuals often make their nests close together, are termed "solitary," their communities differing in nature from those of the "social" bees, among which there are two kinds of females - the normal fertile females or "queens," and those specially modified females with undeveloped ovaries (see fig.
The union in a syncarpous pistil is not always complete; it may take place by the ovaries alone, while the styles and stigmas remain free (fig.
Removal of the ovaries from heifers also causes an increase in the longitudinal growth of distal bones.
Estrogen is the principal female sex hormone produced by the ovaries.
The family has been classified into two subfamilies based on the structure of the stamens and ovaries.
These hormones have effects on the ovaries, uterus, and on the testes in man.
Identify the intestines, and, if present, the vitelline glands and ovaries in the female, and the testes in the male.
LH acts on stroma and theca interna cells of the ovaries to stimulate testosterone secretion.
The ovaries are small almond shaped structures, covered by a thick connective tissue capsule - the tunica albuginea.
Includes the womb, ovaries and vagina in women.
It has been known for sixty years that removing part of these ovaries surgically (wedge resection) can restore normal ovarian function.
This type of twin pregnancy is usually genetically based and occurs when the woman's ovaries release more than one egg at ovulation.
During mating, the barbs on a male cat's penis actually stimulate the cat's ovaries to begin releasing eggs.
In girls, the increase in LH and FSH hormones in the bloodstream stimulates the ovaries and adrenal glands to produce even more hormones that affect development and maturity.
The ovaries begin to grow and produce estrogen and progesterone.
The FSH hormone begins the process of sperm production in boys, and activates the ovaries and estrogen production in girls.
Those hormones tell the ovaries to release yet another hormone called estrogen, and then your body fully enters puberty.
In girls, LH and FSH stimulate the ovaries to begin releasing eggs during ovulation, which leads to menstruation.
The cycle is the result of a hormone fluctuation that signals the ovaries to release eggs for fertilization.
The ideal time to breed is when the bitch's ovaries begin releasing eggs for fertilization, technically referred to as ovulating.
Menopause is described as the transition period in a woman's life when her ovaries cease production of eggs and her hormone levels decline.
The symptoms of menopause are directly related to the hormone changes, which occur when the ovaries become less functional.
Natural menopause: This refers to the cessation of monthly periods due to the fact that the ovaries no longer produce eggs.
During perimenopause the ovaries produce less estrogen, which may result in menopausal symptoms.
Hereditary links have been shown in cancers of the breast, colon, ovaries, and uterus.
Cancer of the kidneys, ovaries, uterus, pancreas, bladder, rectum, and the leukemias and lymphomas are among the 12 major cancers affecting Americans of all ages.
In adolescent females, a pelvic exam may be conducted to detect cancers of the ovaries, uterus, cervix, and vagina.
Then the internal pelvic organs such as the uterus and ovaries are palpated (touched while applying gentle pressure) to detect abnormal masses.
The 37-year-old is also more likely to be unable to conceive, since many women's ovaries are already starting to fail at that age.
Both estrogen and progesterone are secreted by the ovaries, which are responsible for producing the eggs.
For more severe cases and for PMDD, treatments available include antidepressant drugs, hormone treatment, or (only in extreme cases) surgery to remove the ovaries.
This treatment, as well as removal of the ovaries, is used to prevent ovulation and the changes in hormones that accompany ovulation.
Estrogen-Female hormone produced mainly by the ovaries and released by the follicles as they mature.
Normal menstrual periods are the result of proper functioning and synchronization of the hypothalamus, pituitary gland, and ovaries.
The pituitary gland in turn produces hormones that stimulate the ovaries to secrete two hormones known as estradiol and progesterone.
The hypothalamus and pituitary may fail to produce enough hormone to stimulate the ovaries to produce their hormones.
The ovaries may fail to produce enough estradiol to stimulate the growth of the endometrium.
Emotional stress: This disturbance can interfere with the brain's hormonal signals to the ovaries.
One way to determine whether a teenager's ovaries and uterus are functioning is a progesterone challenge test.
If her ovaries are producing estrogen and her uterus is responding normally, she should have a menstrual period within a few days of the progesterone dose.
This challenge indicates that the ovaries and uterus are functioning normally, and the cause of the amenorrhea is probably in the brain.
True hermaphrodites are born with both ovaries and testicles.
Body parts not being x rayed should be shielded with a lead apron, especially the testes, ovaries, and thyroid.
Testosterone-Male hormone produced by the testes and (in small amounts) in the ovaries.
It also is sometimes given as part of hormone replacement therapy to women whose ovaries have been removed.
Their ovaries are undeveloped, and they do not undergo puberty.
When the ovaries start to secrete estrogen, fat in the connective tissue begins to accumulate causing the breasts to enlarge and the duct system begins to grow.
Estrogen, which is produced by the ovaries in the first half of the menstrual cycle, stimulates the growth of milk ducts in the breasts.
Girls occasionally suffer an inflammation of the ovaries (oophoritis) as a complication of mumps, but this condition is far less painful than orchitis in boys.
Fallopian tubes-The pair of narrow tubes leading from a woman's ovaries to the uterus.
In 1-5 percent of children, a hernia results when a feature of fetal anatomy in the inguinal area of the groin (processus vaginalis, the space through which the testis or ovaries descend) fails to close normally after birth.
This variation is normal and is usually the result of imperfect coordination between the hypothalamus, the pituitary gland, and the ovaries.
PCOS is a condition in which the ovaries become filled with small cysts.
Oligomenorrhea that occurs in adolescents is often caused by immaturity or lack of synchronization between the hypothalamus, pituitary gland, and ovaries.
Some researchers hypothesize that the ovaries of women with PCOS are abnormal in other respects.
In 2003, a group of researchers in London reported that there are fundamental differences between the development of egg follicles in normal ovaries and follicle development in the ovaries of women with PCOS.
Most girls with Turner syndrome do not have ovaries with healthy oocytes capable of fertilization and embryo formation.
Males develop testes, and females develop ovaries.
Precocious Puberty Causes and Symptoms Puberty begins when the brain secretes a hormone that triggers the pituitary gland to release gonadotropins, which in turn stimulate the ovaries or testes to produce sex hormones.
The parts of the body involved in the menstrual cycle include the uterus and cervix, the ovaries, fallopian tubes, the brain and pituitary gland, and the vagina.
The two small, grape-shaped organs inside the abdomen on either side of the uterus, known as the ovaries, are filled with hundreds of thousands of eggs and are the organs that allow pregnancy to occur.
When a girl reaches puberty, the ovaries respond to a rise in follicle-stimulating hormone and cause one of the eggs to mature.
Stage One (approximately between the ages of eight and eleven): The ovaries enlarge and hormone production starts, but external development is not yet visible.
Gonads-Organs that produce gametes (eggs or sperm), i.e., the ovaries and testes.
Pituitary, thyroid, adrenals, ovaries, and testes are all part of the endocrine system.
Pelvic inflammatory disease (PID)-Any infection of the lower female reproductive tract (vagina and cervix) that spreads to the upper female reproductive tract (uterus, fallopian tubes and ovaries).
Alpha-fetoprotein is a substance produced by the liver of a fetus, by tumors of the liver, by testes and ovaries, and by certain other diseases of the liver.
It may reappear in liver disease, or tumors of the liver, ovaries, or testicles.
Hormones secreted from the mother's ovaries and a chemical secreted by the trophoblasts begin to prepare the uterine wall.
Week 7: Beginning development of hair follicles, nipples, eyelids, and sex organs (testes or ovaries); first formation of urine in the kidneys and first evidence of brain waves.
Gonads-Organs that produce gametes (eggs or sperm), i.e. the ovaries and testes.
Testicular complications occur in 14 to 35 percent of post-pubertal boys, and complications regarding the ovaries in 7 percent of post-pubertal females.
It differs from primary dysmenorrheal in that the pain is caused by an abnormality or disease of the uterus, tubes, or ovaries.
Certain types of oral contraceptives (for example, Ortho-Tri-Cyclen) and female sex hormones (estrogens) reduce hormone activity in the ovaries.
Girls often have ovaries that do not function, and only a few are able to conceive naturally.
This process is stimulated by the hormones produced by the testes and ovaries, which provide the developmental signal that the linear growth of the long bones should reach completion or full development.
Gonads are the organs of sexual differentiation: in the female, they are ovaries; in the male, the testes.
Women with Turner's syndrome are born with underdeveloped ovaries that are eventually replaced by connective tissue.
Sometimes imaging is necessary, such as a sonogram of the ovaries.
The internal structures of the reproductive tract, including the ovaries, uterus, and fallopian tubes, are normal.
The egg can also become implanted in the cervix, abdomen, and ovaries.
You start out with two ovaries and two tubes so even if one tube is damaged by an ectopic pregnacy, you can still conceive with the other ovary and tube.
The fallopian tubes connect the ovaries to the uterus.
A woman has two ovaries, one on each side in her pelvis.
Each month during a normal menstrual cycle, an egg is released from one of the ovaries, travels down the fallopian tube on that side, and enters the uterus.
Last week, the follicles in your ovaries were helping the eggs mature.
Toward the end of the week, the follicles will begin to move toward the outer surface of your ovaries, and one egg, the best of the bunch, will be released.
This is a very serious condition when the fetus implants into the fallopian tubes or ovaries rather than the uterus.
A tubal ligation involves cutting the fallopian tubes, which carry eggs from the ovaries to the uterus.
It uses hormones to prevent your ovaries from ovulating (releasing an egg).
It appears that the hormones may help prevent pregnancy by stopping the release of eggs from the ovaries.
Estrogen is made by the ovaries in different amounts during a woman's menstrual cycle.
Instead of releasing an egg once a month, the ovaries behave as if the woman is already pregnant.
They function by preventing the release of an egg from the ovaries.
The hormones that are important for fertility come from your ovaries and your adrenal glands, not your breasts.
This study actually attributes the stimulation of ovaries to a protein found in the livers of animals called the Insulin-like Growth Factor.
According to their claims, this protein increases the number of eggs produced by the human ovaries and results in an increased number of twins.
The drug works by creating conditions that stimulate the ovaries to produce additional eggs and follicles during the days that precede ovulation.
Those hormones trigger a release of eggs from the ovaries, in some cases (in conjunction with follicle stimulating hormones, for example) keeping the estrogen levels lower than other fertility treatments would.
It does stimulate your ovaries to release more eggs, and it's harmless to your eggs.
It may not be suitable for someone who has ovarian cancer or for those whose cancer has spread to the ovaries.
Radiation that gets absorbed by the ovaries may do so much damage that a woman no longer has viable eggs.
Once they are damaged, they can not be saved.Treatment options for other types of female cancers may include removing the ovaries, uterus, or cervix.
However, the body has to have the proper environment to become pregnant, including hormones and functioning ovaries.
Ovaries function normally, though the eggs released break up and are absorbed into the body.
Growths may appear in the ovaries in this stage.
According to The Center for Human Reproduction, the first stage of IVF is to stimulate the ovaries, which causes several eggs to mature rather than just one.
After suppressing the hormones, the doctor injects medication that stimulates the ovaries.
Endometriosis occurs when the tissue that usually lines the uterus grows on other organs in the abdomen, like the fallopian tubes, the ovaries, the outside of the uterus, or the bowels and bladder.
On the first day of your menstrual cycle (that is, the day you first start your period) the process begins to start ovulation, the releasing of the egg from the ovaries.
On that first day, the eggs in your ovaries are in the follicular stage and a few will begin the phase called maturation, which turns them into viable eggs.
Pelvic inflammatory disease (PID) is infection or inflammation in the uterus, ovaries, or fallopian tubes.
When your ovaries release a fertile egg during ovulation, it is typically only available to be fertilized for about one day, or around 12 to 24 hours.
Testes and ovaries always free.
The ovaries show atrophic changes after the menopause.
The ovaries arise like the testes as rounded bodies in the ligament.
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