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18 terms

Chapter 20

STUDY
PLAY
Amniotic egg
egg composed of shell and membranes that create a protected environment in which the embryo can develop out of the water
chorion
outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)
amnion
thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
allantois
vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (reptiles, birds and mammals)
albumin
a simple water-soluble protein found in many animal tissues and liquids
keratin
a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves
testudines
tortoises and turtles
carapace
shell covering the back (of a turtle, tortoise, crab, etc.)
plastron
(zoology) the part of a turtle's shell forming its underside
sauria
true lizards
serpentes
snakes
crocodilia
crocodiles and alligators
vertical fracture plane
...
torpor
inactivity resulting from torpidity and lack of vigor or energy
hibernacula
solitary individuals come together to prevent heat loss
spectacle
an elaborate and remarkable display on a lavish scale
Jacobson's organ
Sense organ on snake's roof of mouth which detects airborne chemicals
pit organs
A sensory organ between the eye and nostrils