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The skull of Python reticulatus.. The skull of a snake is a very complex structure, with numerous joints to allow the snake to swallow prey far larger than its head.. The typical snake skull has a solidly ossified braincase, with the separate frontal bones and the united parietal bones extending downward to the basisphenoid, which is large and extends forward into a rostrum extending to the ...
Nomenclature of scales (top view of head) Parietal scales are the scales of a snake located on the snake's head and are connected to the frontals towards the posterior. [ 1 ] These plate-like scales are analogous to and take their name from the parietal bone, which forms the roof and sides of the cranium in humans.
The head and the loop are in effect the two feet upon which the snake walks. The snake's body, appearing roughly perpendicular to its direction, may bewilder the observer, since preconception may lead one to associate snake movement with a head that leads and a body that follows.
The redbelly snake has also exhibited death-feigning behavior to possible predators, in which it laterally compresses parts of its body to mimic the appearance of injuries. [7] It can also mock the posture of venomous snakes by flattening its body, raising its head, and flexing its neck. [7]
Squamata (/ s k w æ ˈ m eɪ t ə /, Latin squamatus, 'scaly, having scales') is the largest order of reptiles, comprising lizards and snakes.With over 12,162 species, [3] it is also the second-largest order of extant (living) vertebrates, after the perciform fish.
Scales on a snake's head. Frontal scale refers to the scale of a reptile which lies on the top of the head in the region between the eyes. This is analogous to the frontal bone of a human which corresponds to the forehead. [1] Snake scales adjacent to the frontal and to its anterior are called prefrontals.
The head rests on the top part of the vertebral column, with the skull joining at C1 (the first cervical vertebra known as the atlas). The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine. The skull can be further subdivided into:
The head in juveniles also features several distinctive dark spots, one hoof-like on the back of the head in-between the yellow neck stripes, and two paired ones, with one horizontal stripe running from the eye and connecting to the neck marks, and one short vertical stripe connecting the eye with the fourth to fifth upper labial scales.