Skeletal System Adaptions Flashcards
(12 cards)
What is the hyoid bone?
A U shaped bone located in the throat
What species is the hyoid bone found in?
Feline species
What is the functions of the hyoid bone?
Holds the tongue and larynx in place
How does the hyoid bone work?
When the larynx vibrates the hyoid bone resonates creating a low frequency rumble
Name the two aspects of the hyoid bone in small cats
Completely rigid
Can only produce a pure
Name two aspects of the hyoid bone in large cats
Only partially rigid
Cannot purr but will produce a large roar
Why can large cats roar but not purr?
The hyoid bones flexibility and attachments allow big cats to lower their larynx to help them transfer the energy for roaring
What is the baculum?
An isolated bone derived from connective tissues located at the distal end of the penis
What species is the baculum found in?
Dogs
What is the baculum made up of?
Two cortical plates separated by cancellous bone
What does the baculum support?
Reproduction
What are 4 ways the baculum supports reproductive strategies?
Overcomes vaginal resistance
Delivers sperm optimally
Displaces rival ejaculates
Reduces the risk of further mating