Vertebral sentence example
Vertebral column composed of about 50 vertebrae, viz.
Hymenochirus is further remarkable for the presence of only six distinct pieces in the vertebral L C FIG.
The scapula is sabre-shaped, and extends backwards over the ribs, lying almost parallel to the vertebral column.
The marked curvature of the vertebral column, by breaking the shock to the neck and head in running and leaping, likewise favours the erect position.
The vertebral column of the gorilla differs from that of man in its curvature and other characters, as also does the conformation of its narrow pelvis.Advertisement
As to the vertebral column and pelvis, the lower apes differ from the gorilla as much as, or more than, it differs from man.
The vertebral column is almost entirely welded into a solid tube, but there is a complex joint at the base of the neck, to allow the head being retracted within the carapace.
A difficulty naturally arises with regard to the fact that in reptiles the occipital condyle by which the skull articulates with the vertebral column is single, although composed of three elements, whereas in amphibians and mammals the articulation is formed by a pair of condyles.
The vertebral column consists of seven cervical, eighteen dorsal, six lumbar, five sacral, and fifteen to eighteen caudal vertebrae.
C. Labyrinthodonta, with simple biconcave vertebral disks, very slightly pierced by a remnant of the notochord and supporting the loosely articulated neural arch.Advertisement
This condition is derived from (Outline after Jaekel.) that of the Rhachitomi, as shown by the structure of the vertebral column in young specimens.
The rear part of the vertebral column has not yet been found.
The first arm included women with existing vertebral deformity.
However, the vertebral column also allows for flexion, extension, rotation and lateral flexion with the help of several muscles.
The spinal cord has 31 pairs of spinal nerves attached which innervate the body and leave the vertebral canal via the intervertebral foramen.Advertisement
However, up to two thirds of vertebral fractures are detected on X-ray rather than by clinical symptoms or signs.
Loss of weight Shadow present in the superior mediastinum, extending to both sides of the outline of the vertebral column.
If vertebral osteomyelitis is present the longer durations of therapy will be required.
It is the only vertebra in the spine which has no vertebra in the spine which has no vertebral body.
In general structure they all closely resemble human beings, as in the absence of tails; in their semi-erect position (resting on finger-tips or knuckles); in the shape of vertebral column, sternum and pelvis; in the adaptation of the arms for turning the palm uppermost at will; in the possession of a long vermiform appendix to the short caecum of the intestine; in the size of the cerebral hemispheres and the complexity of their convolutions.Advertisement
The most frequent site is the spine, some c. 56 per cent of all sexed adults were suffering from vertebral joint degeneration.
Musculo-skeletal - Degenerative changes in the vertebral column may make subarachnoid block (SAB) technically difficult.
It is the only vertebra in the spine which has no vertebral body.
For women, the lifetime risk of vertebral fracture is about 30 %.
The vertebral artery carries blood from the heart to the brain.Advertisement
In cancer, however, vertebral collapse can compress the spinal cord.
There are a number of mild variant forms of spina bifida, including multiple vertebral abnormalities, skin dimples, tufts of hair, and localized areas of skin deficiency over the spine.
Spina bifida-A birth defect (a congenital malformation) in which part of the vertebrae fail to develop completely so that a portion of the spinal cord, which is normally protected within the vertebral column, is exposed.
Failure of neural-tube closure below the level of the brain prevents full development of the surrounding vertebral bones and leads to spina bifida, or a divided spinal column.
Notwithstanding the origin of organs, it still for a certain time, by reason of its want of an internal bony skeleton, remains worm and mollusk, and only later enters into the series of the Vertebrata, although traces of the vertebral column even in the earliest periods testify its claim to a place in that series."
This is the most perfect arrangement attained by the vertebral column, and is typical of, and restricted to, birds.
Later those pads fuse with the anterior end of the centrum of the vertebra to which they belong; where the vertebral column is rendered inflexible, the disks are ossified with the centra and all trace of them is lost.
The Sympathetic System forms a chain on either side of the vertebral column.
Each brachiocephalic soon sends off its subclavian, while in the normal or more usual cases the rest proceeds as the carotid trunk, inclusive of the vertebral artery.
Every "line" of its build is designed and eminently adapted for rapid progression through the water; the muscles massed along the vertebral column are enormously developed, especially on the back and the sides of the tail, and impart to the body a certain rigidity which interferes with abruptly sideward motions of the fish.
The neck is long and curved, and its vertebrae are remarkable for the position of the canal for the transmission of the vertebral artery, which does not perforate the transverse process, but passes obliquely through the anterior part of the pedicle of the arch.
It may be added that in the Oreodontidae the vertebral artery pierces the transverse processes of the cervical vertebrae in the normal manner.
This notochord represents the persistent primordial skeletal axis which, in the higher Craniata (though not so in the lower), gives way by substitution to the segmented vertebral column.
Traquair in 1890, in allusion to its well-developed vertebral rings; and its structure was studied in detail in 1903 by Professor and Miss Sollas, who succeeded in making enlarged models of the fossil in wax.
The vertebral axis shows a series of broad rings, with distinct neural arches, but no ribs.