- horses) of each of the four limbs,
which is
covered by soft
tissue and
keratinised (cornified) matter. The hoof is made up of two parts. The
outer part...
- (Scaphiopus couchii) have a flap-like toe
extension on the hind feet, a
keratinised tubercle often referred to as a spade, that
helps them to burrow. Sometimes...
- quadruped, that has claws. The paw is
characterised by thin, pigmented,
keratinised,
hairless epidermis covering subcutaneous collagenous and
adipose tissue...
- just
after leaving the
breeding burrow;
adults instead develop heavily keratinised food-grinding pads
called ceratodontes. The
first upper and
third lower...
-
estradiol (an estrogen) at puberty,
causes the
perineal skin to
thicken by
keratinising, and this
reduces the risk of infection.
Estrogen also
causes the laying...
- are
formed on
males for breeding.
Nuptial pads on
frogs also
comprise keratinised tubercles.[citation needed]
Within the
human body,
there are numerous...
-
between the toes for swimming,
broad adhesive toe pads for climbing, and
keratinised tubercles on the hind feet for
digging (frogs
usually dig
backwards into...
- anvil-like fashion.
Touch receptors occur along the
inner edges of the
keratinised bill,
which are
collectively known as the "bill tip organ", allowing...
- Both the head and jaws lack
scales and are
instead covered in tight,
keratinised skin that is
fused directly to the
bones of the
skull and which, over...
- swallowing. The
epithelium on the tongue's upper, or
dorsal surface is
keratinised. Consequently, the
tongue can
grind against the hard
palate without being...
