Reptiles Flashcards
What reptiles are most likely to be seen in a veterinary practice ?
Snakes, lizards, and Chelonians
Chelonians =
Turtles
The order squamata contains ______.
Snakes and lizards
What reptile is most commonly used in biomedical research?
Snakes
Why are snakes used for biomedical research ?
-There venom is used as a source of proteins for the study of biological activity at the surface cell of membranes.
-skin
What does ectothermic mean ?
Vast majority of a reptiles body heat comes from outside heat sources.
Reptiles have one visceral cavity called the ________.
Coelom
True or false
Reptiles do not have a diaphragm to separate the thoracic and abdominal cavities
True
What are scutes ?
Found in turtles, form a hard external plate with nonoverlapping sections.
What is ect ecydysis?
When the outermost layer of the reptile’s skin is shed on a regular basis
What are chromatophores?
Specialized pigment containing cells in the integument that allow for changing of skin color and pattern.
Chelonians have ______ skulls
Anapsid
Most reptiles have _____ skulls
Diapsid
The boney shell of turtles is made of the dorsal ______ and the ventral ______ covered by scutes
Caraspace
Plastron
True or false
Reptiles can not live long periods of time without breathing
False
What is a glottis
A valve that controls the airflow in and out of the respiratory passages
Where is the glottis of a turtle located ?
Behind the tongue
Where is the glottis of a snake located ?
The floor of the oral cavity just caudal to the tongue and it mobile.
True or false
Reptiles do not have vocal cords
True