Avian Reptile Anatomy

Front 1

gallinacious

Back 1

heavily bodied birds such as turkeys, pheasants, and chickens

Front 2

ratites

Back 2

running birds with flat breastbones and strong muscular legs such as ostrichs and emus

Front 3

axial skeleton

Back 3

runs the length of the bird and includes the bones to which the limbs attach

Front 4

appendicular skeleton

Back 4

consists of the bones of the limbs.

Front 5

scleral ossicle

Back 5

circular bone that forms a ring around each eye

Front 6

pygostyle

Back 6

last few vertibrae that form the tail

Front 7

keel

Back 7

the raised middle portion of the breastbone to which the breast muscles attach

Front 8

prehension

Back 8

grasping and seizing

Front 9

adducting

Back 9

drawing the wing in toward the body

Front 10

syrinx

Back 10

produces sound in a bird

Front 11

optic lobes

Back 11

part of the birds brain concerned with vision

Front 12

nicitating membrane

Back 12

a third eyelid

Front 13

pinnae

Back 13

external projections of the ear

Front 14

collumella

Back 14

bone in a birds ear that converts sound waves to pressure waves

Front 15

ptilosis

Back 15

entire feather coat

Front 16

molted

Back 16

shed

Front 17

carrion

Back 17

rotting meat

Front 18

pterylae

Back 18

overlapping tracts of feathers covering skins bare spots

Front 19

brooding spot

Back 19

skin thickens and feathers fall out alloweing greater transfer of body heat from teh skin to eggs

Front 20

contour feathers

Back 20

responsible for the birds shape

Front 21

down

Back 21

soft fluffy feathers that provide warmth

Front 22

filoplumes

Back 22

absent in ratites ...hairlike feathers

Front 23

bristle feathers

Back 23

modified contour feathers forming eyelashes

Front 24

auricular feathers

Back 24

cover ear openings

Front 25

powder feathers

Back 25

give off powder, dont molt and grow continuosly

Front 26

keratin granules

Back 26

protein that makes up skin

Front 27

comb

Back 27

fleshy appendage at the top of the head

Front 28

wattle

Back 28

two part appendage that hangs below the mandible

Front 29

snood

Back 29

appendage attached to the forehead that hangs down over the beak

Front 30

caruncle

Back 30

small fleshy mass present on unfeathered skin like a turkeys head and neck