Reptile husbandry Flashcards
How many chambers does a reptilian heart have?
- Separated by a partial inter ventricular septum in reptiles and no septum in amphibians
What are the layers of the chelonian carapace?
dermal bone plates
covered by scutes (vasc, keratinised)
epidermal scales
What is autonomy?
Self amputation. Only in lizards where tail is fat storage only. From coccygeal vertebra only. Little bleeding.
Lingual notch is?
Where snakes tongue protrude from
Is a male or female reptile ZZ?
male.
When are snakes sexually mature?
3–5yrs
When are chelonian
1–2yrs
Describe
3–8yrs
Describe the lungs of a snake
Unicameral. Have both L and R sides. Only R fct. Most of lung residual but explains breath holding. Used for buoyancy. Boidae have two proper lungs
Describe the main differences between boidae and colubridae
Boidae:\nPrimitive \nVestigial Spurs biggest on male\nTwo lobed lungs\nFatter tails and shorter in females
What do the girdles in chelonians attach to and by?
The carapace and sometimes the plastron (pectoral). By pelvic and pectoral muscles
Name 3 different types of skull
Synapsids – mammals. 1 f.
Diapsid – reptiles. 2 fenestrae
Anapsid – chelonians. No f
Do snakes have pupillary light reflex?
No. Iris is skeletal muscle. Doesn’t respond to atropine to dilate either.
Clelonians have …. Ribs?
None
Lizards ribs are attached to vertebra …..
All thoracic and lumbar
Why do boas/pythons need quarantine for 90d not normal 30d?
inclusion body diseases common
What sign shows a bearded dragon is stressed?
Black under chin
What are colubrid snakes?
most common, constrictor and non–ven
What UV light do lizards require for vit D3 synth?
UVB
What type of turtles need UVB?
semi–aquatic
what species of snake have labile nasal pits?
boas/pythons. so dont miss prey if sleeping!
where doe snakes get vitd3 from?
kidney of prey
how many occipital condyles are present in reptiles
1, unlike 2 in mammals..
how do reptiles hear
most have tymp membrane (not snakes)
1 x ossicle (columella) which transmits vibration
does atropine work to cause mydriasis?
no, skeletal m of iris
do reptiles have a diaphragm?
no
what is ecydysis?
shedding
how do reptiles smell
VNO also heat sensor
name 3 types of teeth reptiles might have
acrodont - attached to bone
pleurodont - to medial asp bone
thecodont - to socket
what anticoag should you keep a reptilian blood sample in?
lithium heparin
why does the skeleton poorly recover from injruy in reptiles?
poor haversion systems
what is the normal preffered body temperature for most reptile
20-38degrees
how many vertebrae do chelonians have
8 cervical
10 thoracic
how can you ID a male chelonian from a female?
male = concave plastron
thick, long tail
vent is cd to carapace
cloacal phallus
whic lung is functional in most snakes?
R lobe
what is unsual about boidae?
2 lungs and 2 carotid a
how deep is cloaca in females?
2-3scales only
