Physicians Desk Reference Physicians Desk Reference
Browsable database of medical products, manufacturer, therapeutic categories, indication, contra indication, side effects, drug and food interaction.
Medical Product | Medical Manufacturer | Therapheutic | Indication | Contra Indication | Side Effect | Drug Interaction | Food Interaction

somite

somite (so´mIt)

One of the paired, metamerically arranged cell masses formed in the early embryonic paraxial mesoderm; commencing in the third or early fourth week in the region of the hindbrain, they develop in a caudal direction until 42 pairs are formed; their presence is considered evidence that metameric segmentation is a vertebrate characteristic.mesoblastic segment; [G. soma, body, + -ite]
occipital s.one of the four most rostral s.'s which become incorporated into the occipital region of the embryonic skull.

 

Browse Medical References:

[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]