- The
nictitating membrane (from
Latin nictare, to blink) is a
transparent or
translucent third eyelid present in some
animals that can be
drawn across...
- have a full
translucent third eyelid called a
nictitating membrane,
while others have a
vestigial nictitating membrane. The
membrane works to
protect and...
-
Instead the eye is
lubricated by the
nictitating membrane, a
third eyelid that
moves horizontally. The
nictitating membrane also
covers the eye and acts...
-
rather than
representing true
trichromatic vision. Cats also have a
nictitating membrane,
allowing them to
blink without hindering their vision. The...
- the pre-processing (familiarity) of the
input signals in the
reflex nictitating membrane response of
classical trace conditioning; the ****ociation of...
- sharks.
Members of this
order are
characterized by the
presence of a
nictitating membrane over the eye, two
dorsal fins, an anal fin, and five gill slits...
- fishes,
generally characterized by
lacking traits such as an anal fin,
nictitating membrane, or
suborbital shelves in the cranium.
Squalomorphii sharks...
-
especially in
animals without eyelids. In
squamate reptiles both the
nictitating membrane and the
eyelids have been
suggested as the
evolutionary origin...
-
dislodge it
using their translucent third eyelid (also
known as the
nictitating membrane). The camels' gait and
widened feet help them move
without sinking...
-
possessing two large,
spineless dorsal fins, an anal fin and oval eyes with
nictitating eyelids. They are
small to
medium in size,
ranging from 37 to 220 cm...