At the same time this finding implies that the use of plates for thermo-regulation may be less likely because the keratinous covering would make heat transfer from the bone highly ineffective.
32.
Shope determined the protrusions were keratinous carcinomas due to the infection of CRPV . Shope's research led to the development the first mammalian model of a cancer caused by a virus.
33.
It had a wide muzzle filled with more than 500 teeth, which were replaced at a rapid rate : around every 14 days . The jaws may have borne a keratinous sheath.
34.
The surfaces of the premaxillae are rugose with the edges elevated above the body of the bone, suggesting that a keratinous shield would have been supported by the rugosities at the tip of the snout.
35.
To replace the act of chewing, the pangolin stomach is muscular, with keratinous spines that project into the interior and contains small stones to mash and grind prey, similarly to a bird s gizzard.
36.
When the tongue is retracted, the prey is caught on backward-facing keratinous " teeth ", located along the roof of the buccal cavity, allowing the animal both to capture and grind food.
37.
Idirans are biologically immortal and are very resilient to physical damage as they are protected by a natural keratinous body-armour and can withstand catastrophic damage and even remain conscious, though they do not naturally regenerate.
38.
Instead of teeth like other sirenians, Steller's sea cow had a dense array of white bristles, long, which were used to pull out seaweed and hold food, and used keratinous plates for chewing.
39.
The armor of " Euoplocephalus " may have had a keratinous covering, or it may have floated in the skin, as is seen in modern palpebral bones over the eyes may have provided additional protection for the eyes.
40.
Various phytosaurs have crests and similar ornamentions in their snouts . " Nicrosaurus " has a ridge along the snout that would have supported a keratinous crest in life, while " Mystriosuchus westphali " has several bony crests.
