Testes Sentence Examples

Both right and left testes are functional.

The reproductive organs, both ovaries and testes, become fused together in the middle of the body.

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.

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.

If, for instance, the testes fail to develop normally, the secretion which they discharge into the blood is abnormal in character and amount, with the result that the characters of the remotest parts of the body are more or less profoundly affected.

In most male batrachians the testes are drained by transverse canals which open into a longitudinal duct, which also receives the canals of the kidneys, so that this common duct conveys both sperma and urine.

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.

Gonads limited in number of pairs, testes and ovaries always present in the same individual.

The prevalent number of testes is one pair in the aquatic genera and two pairs in earthworms. But there are exceptions; thus a species of Lamprodrilus has four pairs of testes.

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.

In Acanthobdella the testes are, however, not contained in the general coelom, and the nephridia lie in the septa.

The testes vary in numbers of pairs.

The testes during development become hollowed out and are prolonged into the vasa efferentia.

The ovary and testes are heaped-up masses of red or yellow cells due to a proliferation of the cells lining the coelom.

The former consist of one pair or more of vesicular testes communicating by fine ducts with a vesicula seminalis.

The testes descend into a scrotum.

The sexes are not distinct, the sexual organs being represented by a pair of testes and a single ovary, which open together into the posterior end of the alimentary canal.

It is probable that these vesicles are not reservoirs, as was at one time thought, but form some special secretion which mixes with that of the testes.

The testes are inguinal or abdominal.

The testes in the pairing-season form projections in the groins, but (except in the Duplicidentata) do not completely leave the cavity of the abdomen.

The incisive foramina are large and usually confluent; the bony palate is very narrow from before backwards; there is no alisphenoid canal; the fibula is welded to the tibia, and articulates with the calcaneum; and the testes are permanently external.

The male organs consist of paired testes communicating by delicate canals with a protrusible penis.

The testes are permanently abdominal.

The two testes lie in the tail and are formed by lateral proliferations of the living peritoneal cells.

The paired testes extend through the greater part of the body and end in two vasa deferentia which unite with the intestine to form a cloaca.

The testes are situated in a distinct sessile or slightly pedunculated scrotum, into which they descend from the sixth to the tenth month after birth.

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.

Testes are transferred to an eppendorf tube in 0.5ml L15 and dissociated by gentle application of eppendorf pestle.

The transgenic stem cells were transplanted into infertile male mice that have no differentiating cells in their testes.

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.

A, a segment of Bothriocephalus latus, showing the generative organs from the ventral surface; ex., excretory vessels; c., cirrus; c.p., cirrus pouch; v.d., vas deferens; v.o., vaginal opening; v., vagina; sh.g., shell-gland; od., oviduct; ov., ovary; y.g., yolk-gland; y.d., its duct; ut., uterus; u.o., uterine opening; the testes are not visible from this side; X 23 (from Sommer and Landois).

The incisive foramina of the palate are moderate and distinct; the fibula does not articulate with the calcaneum; and the testes are abdominal, and descend periodically only into the inguinal canal.

You may however decide to have a prosthetic testes inserted to improve the cosmetic appearance.

In men, FSH stimulates the testes to produce mature sperm.

In men, testosterone is produced by the testes.

Total RNAs from testes tissues and sperm samples were extracted and applied to microarray experiments (Agilent Human Oligo 1A).

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.

Testosterone is the male hormone released into the bloodstream from the testes that causes the male secondary sex characteristics to develop during puberty.

Boys begin to produce testosterone when these hormones travel to the testes, in a process that creates sperm.

The testes are examined visually, looking for unevenness, swelling, or other abnormalities.

Some 98 percent of men with CF are sterile, due to complete obstruction or absence of the vas deferens (the tube carrying sperm out of the testes).

While boys and men with CF form normal sperm and have normal levels of sex hormones, sperm are unable to leave the testes, and fertilization is not possible.

Although most men with CF are functionally sterile, new procedures for removing sperm from the testes are being tried and may offer more men the chance to become fathers.

The testes are suspended in the scrotum by a single bundle of tissues called the spermatic cord.

Normally this bundle of tissue holds the testes in place.

The only way to prevent torsion is to surgically anchor the testes so that they cannot move.

Scrotum-The external pouch containing the male reproductive glands (testes) and part of the spermatic cord.

In males it stimulates the testes to produce testosterone.

Intersex males may have testes and a female-like vulva, or a very small penis.

Amyloidosis may affect the gastrointestinal tract, liver, spleen, heart, and (in males) testes, but its effects on the kidneys are of greatest concern.

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.

Orchitis-Inflammation of one or both testes, accompanied by swelling, pain, fever, and a sensation of heaviness in the affected area.

In boys primary and secondary sexual characteristics usually emerge in a predictable order, with rapid growth of the testes and scrotum, accompanied by the appearance of pubic hair.

These traits include a long and narrow face, prominent jaw, large ears, and enlarged testes.

However, fragile X symptoms may include a large head circumference and oversized testes in males.

Also known as cryptorchidism, undescended testes is a congenital condition characterized by testicles that do not follow the normal developmental pattern of moving into the scrotum before birth.

In the fetus, the testes are in the abdomen.

In some newborn boys the testes are not present in the scrotum, either because the testes did not descend or because the testes never developed in the fetus.

Eighty percent of all undescended testes cases naturally correct themselves during the first year of life.

Only 3 to 4 percent of full-term baby boys have undescended testes, and half of those complete the journey by the age of three months.

Up to 30 percent of boys born prematurely have testes that have not yet made the full descent.

In 5 percent of cases of undescended testes, the testis on one side is completely absent.

In 10 percent of cases, both testes are completely absent.

There are many different and complex reasons why one or both testes may not descend.

If the testes did not descend because they are absent, then the likely cause is different than for testes that are present but did not descend.

In the case of absence, it is possible that the testes never developed at all because the blood flow was cut off to them as they were developing, preventing their formation.

The doctor will check for the testes in the scrotum during the normal newborn examination.

If the parent notices that their male infant's testes do not appear normal or do not appear to be present at all, the parent should alert the doctor.

If the testes have not descended by the time the child is six months of age, the parent should call the doctor to begin discussing possible treatment options.

If the testes are present at all, they can be anywhere within a couple inches of the appropriate spot.

In most cases, the testes will drop into place later.

Presence of undescended testes is differentiated from absence of testicles by measuring the amount of gonadotropin hormone in the blood.

Once it is determined that the testes will not naturally descend, treatment options must be considered.

The procedure is called an orchidopexy and is relatively simple once the testes are located.

Of full-term baby boys who have undescended testes, half will descend on their own without intervention by the age of three months.

Of those cases that do not correct themselves naturally, intervention is very important, because undescended testes increase the likelihood of sterility and testicular cancer.

Undescended testes are twice as likely to develop cancer as normally descended testes.

Ten percent of all testicular cancers are in undescended testes.

Surgery done to move the testis into the scrotum does not reduce the likelihood of malignancy but allows accessibility of the testes to screen for masses which will allow early treatment.

The incidence of testicular cancer in men who did not have both testes descend normally is about 1 in 2000.

Many children who have undescended testes have reduced fertility as adults.

It is thought that as many as 50 to 75 percent of children with undescended testes have problems with fertility as adults.

Children with undescended testes are also more likely to develop hernias and have problems with their urinary tract.

There is no known way to prevent undescended testes.

Cryptorchidism-Undescended testes, a condition in which a boy is born with one or both testicles in the lower abdomen rather than the scrotum.

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.

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.

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.

An AFP level greater than 20 ng/mL may be associated with tumors of the ovary or testes.

Gonads-Organs that produce gametes (eggs or sperm), i.e. the ovaries and testes.

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.

They prevent pregnancy by blocking the transport of sperm from the testes to the seminal fluid.

Hormonal contraception for men involves the use of synthetic hormones to stop the development of healthy sperm in the testes.

Research into new forms of non-hormonal contraception for men is focusing on the vans deferens, which is the tube cut during a vasectomy to prevent the passing of sperm from the testes to the penis.

Boxers allow the testes to hang farther away from the body than briefs, which hold them closer in.

The closer the testes are to the body, the warmer the temperature.

In short, some within the medical community have alluded to the fact that briefs elevate the temperature of the testes.

Testes and ovaries always free.

The testes are more numerous than the ovaries, of which latter there are never more than one pair.

Testes, and occasionally ovaries, enclosed in sacs.

In Acanthobdella, however, the testes of each side of the body have grown together to form a continuous band, which extends in front of external pore.

The ovaries arise like the testes as rounded bodies in the ligament.

Entocolax, mouth at free extremity, animal fixed by aboral orifice of pseudopallium, Pacific. Entoconcha, body elongated and tubular, animal fixed by the oral extremity, protandric hermaphrodite, parasitic in testes of Holothurians causing their abortion.