species specific bones Flashcards
1
Q
(birds)-what helps with bone strength and weight reduction
A
fusion of many bones
2
Q
(birds)- what bone helps with flight muscle attachment
A
huge sternum keel (carina)
3
Q
(birds)- pneumatised bones
A
hollow bones where airsacs can extend into medullary cavity of many bones
4
Q
(bird and reptiles)-what allows movement between regions of skull
A
elastic cartillage
5
Q
(birds) which bone is an important calcium reservoir
A
medullary bone (helps egg shell formation)
6
Q
(reptiles)-what system are they lacking
A
Haversian bone system (so much less remodelling)
7
Q
(reptiles)- what bones fuse into shell
A
Chelonian ribs, spine and sternum
7
Q
(reptiles)- what bones fuse into shell
A
Chelonian ribs, spine and sternum
8
Q
(reptiles)- where is the pectoral gridle found
A
inside the rib cage
