Comparative Head Anatomy Flashcards
When does a horse’s mandible ossify?
Around 2 years of age
What is the bovine equivalent to the horse’s facial crest?
Facial tuberosity
How does the ovine skull differ from the bovine skull?
The nasal shape is more rounded in the ovine
Name some unique features of the porcine skull.
Triangular shape, no clear zygomatic process, mandible has flattened side to aid in rooting, no facial ridge
When does the porcine mandible ossify?
Around 1 year of age
What does a great vertical separation between the condylar process and teeth indicate?
A grinding diet, herbivores
What does a large coronoid process indicate?
Carnivore
What type of papillae are found on the equine tongue?
Filiform mostly, gives tongue soft texture
What divides the ruminant tongue into rostral and dorsal portions?
Transverse lingual fossa
What is the name of the caudal portion of the ruminant tongue?
Torus linguae
What types of papillae are found on the ruminant tongue and where are they found?
Mechanical papillae: Harsh filiform rostrally, conical/lentricular caudally
Taste: Fungiform rostrally, vallate caudally
Which type of papillae is entirely epithelial and only used for mechanical purposes?
Filiform/coniform
Which type of sensory papillae has a connective tissue core, mostly have taste buds, and are scattered amongst other papillae?
Fungiform
Which type of sensory papillae have deep clefts that contain taste buds within the clefts?
Foliate
Which type of sensory papillae is the largest, located at the back of the tongue with taste buds and a “moat” around the core?
Circumvallate
