lab 2 - bird skeleton Flashcards
zygomatic arch
thin arch bone spanning from the bill to the base of the head, holds jaw muscles
sclerotic ring
bones in the eye socket in a ring, support the eye
carpometacarpus
the largest and innermost of the three hand bones, attached to the ulna/radius
pollex
a bigger nub bone coming off of the carpometacarpus
radial
the connection bone between the radius and the carpometacarpus
radius
the thinner of the 2 forearm bones
humerus
the upper arm bone
ulnare
a little nub bone coming off between the ulna and the carpometacarpus
ulna
the thicker of the 2 forearm bones
scapula
the back bones on either side of the thoracic vertebrae, at the base of the neck
thoracic vertebrae
the spine
vertebral rib
the ribs attaching to the vertebrae, on the upper side of the bird
ilium
the 2 flat parts of the pelvic girdle closest to the head end of the bird
synsacrum
the middle crest of the pelvic girdle (consist of fused sacral and caudal vertebrae)
pygostyle
the nubby “tail” at the back of the pelvic girdle, the last bone in the row of caudal vertebrae
pubis
the 2 thin bones sticking off the end of the pelvic gurdle facing the butt of the bird, extends off the ischium
ischium
the 2 flat parts of the pelvic girdle closest to the butt end of the bird
femur
the uppermost leg bone, comes off the pelvic gurdle, the thigh bone
tarsometatarsus
the lowermost leg bone, the foot bone
tibiotarsus
the middle leg bone, the shin bone
carina (keel)
the crest of the breast, crest of the sternum
sternum
the large flat plate seperating the breast muscles
sternal rib
the ribs coming off of the sternum, on the lower side of the bird
uncinate process
the nubs jutting off the ribs
furcula
2 paired bones in the front of the chest, makes the wishbone
coracoid
2 bones in between and joined with the scapula and furcula, also comes down and connects to the sternum
triosseal canal
a canal for muscles to act as a pulley system and power the birds wings, made of three bones: furcula, coracoid, and scapula
