lab 2 - bird skeleton

Question 1

zygomatic arch

Answer 1

thin arch bone spanning from the bill to the base of the head, holds jaw muscles

Question 2

sclerotic ring

Answer 2

bones in the eye socket in a ring, support the eye

Question 3

carpometacarpus

Answer 3

the largest and innermost of the three hand bones, attached to the ulna/radius

Question 4

pollex

Answer 4

a bigger nub bone coming off of the carpometacarpus

Question 5

radial

Answer 5

the connection bone between the radius and the carpometacarpus

Question 6

radius

Answer 6

the thinner of the 2 forearm bones

Question 7

humerus

Answer 7

the upper arm bone

Question 8

ulnare

Answer 8

a little nub bone coming off between the ulna and the carpometacarpus

Question 9

ulna

Answer 9

the thicker of the 2 forearm bones

Question 10

scapula

Answer 10

the back bones on either side of the thoracic vertebrae, at the base of the neck

Question 11

thoracic vertebrae

Answer 11

the spine

Question 12

vertebral rib

Answer 12

the ribs attaching to the vertebrae, on the upper side of the bird

Question 13

ilium

Answer 13

the 2 flat parts of the pelvic girdle closest to the head end of the bird

Question 14

synsacrum

Answer 14

the middle crest of the pelvic girdle (consist of fused sacral and caudal vertebrae)

Question 15

pygostyle

Answer 15

the nubby “tail” at the back of the pelvic girdle, the last bone in the row of caudal vertebrae

Question 16

pubis

Answer 16

the 2 thin bones sticking off the end of the pelvic gurdle facing the butt of the bird, extends off the ischium

Question 17

ischium

Answer 17

the 2 flat parts of the pelvic girdle closest to the butt end of the bird

Question 18

femur

Answer 18

the uppermost leg bone, comes off the pelvic gurdle, the thigh bone

Question 19

tarsometatarsus

Answer 19

the lowermost leg bone, the foot bone

Question 20

tibiotarsus

Answer 20

the middle leg bone, the shin bone

Question 21

carina (keel)

Answer 21

the crest of the breast, crest of the sternum

Question 22

sternum

Answer 22

the large flat plate seperating the breast muscles

Question 23

sternal rib

Answer 23

the ribs coming off of the sternum, on the lower side of the bird

Question 24

uncinate process

Answer 24

the nubs jutting off the ribs

Question 25

furcula

Answer 25

2 paired bones in the front of the chest, makes the wishbone

Question 26

coracoid

Answer 26

2 bones in between and joined with the scapula and furcula, also comes down and connects to the sternum

Question 27

triosseal canal

Answer 27

a canal for muscles to act as a pulley system and power the birds wings, made of three bones: furcula, coracoid, and scapula