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Vertebral column

Biology VenulesVertebrates

3. The Vertebral Column
(Columna Vertebralis; Spinal Column).
The vertebral column is a flexuous and flexible column, formed of a series of bones called vertebræ.

 


vertebral column
[L. vertebra, joint]
The backbone; in nearly all vertebrates, it forms the supporting axis of the body and protects the spinal cord.
vertebrate ...

vertebral column, ilium and inferior 3 or 4 ribs
humerus
subscapular artery, dorsal scapular artery ...

The vertebral column has 33 individual vertebrae separated from each other by a cartilage disk. These disks allow a certain flexibility to the spinal column, although the disks deteriorate with age, producing back pain.

animal having a vertebral column; contrast to invertebrate
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
...

In vertebrate chordates, it is replaced by a vertebral column or backbone long before maturity.
pairs of gill pouches. These lateral outpocketings of the pharynx are matched on the exterior by paired grooves.

The sympathetic consists of nerves from the thoracic and lumbar regions of the spinal cord and the nerves form a chain of ganglia immediately outside the vertebral column, "the sympathetic chain, ...

The embryonic notochord is replaced by a vertebral column in the adult. The vertebral column is made of individual hard segments (vertebrae) surrounding the dorsal hollow nerve cord.

homocercal A tail with the upper and lower lobes symmetrical and the vertebral column ending near the middle of the base, as in most teleost fishes.
homodont Having a series of similar, unspecialized teeth.
homodont Having all teeth similar in form.

In a vertebrate skeleton, the skull, vertebral column, ribs, and sternum.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...

1. (Science: anatomy) One of the curved bones attached to the vertebral column and supporting the lateral walls of the thorax.

See also: Human, Class, Trans, Anatomy, Posterior