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Labial scale information


The labial scales are the scales of snakes and other scaled reptiles that border the mouth opening. These do not include the median scales on the upper and lower jaws[1] (rostral and mental scales). The term labial originates from Labium (Latin for "lip"), which refers to any lip-like structure. In snakes, there are two different types of labial scales: supralabials and sublabials. The numbers of these scales present, and sometimes the shapes and sizes, are some of many characteristics used to differentiate species from one another.

There are two different types of labial scales:[1]

  • Supralabials are the scales that form part of the upper lip. Also called upper labials.
  • Sublabials are the scales that form part of the lower lip. Also called infralabials or lower labials.
  1. ^ a b Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.

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Labial scale

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The labial scales are the scales of snakes and other scaled reptiles that border the mouth opening. These do not include the median scales on the upper...

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Sublabial scale

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In reptiles, the sublabial scales, also called lower-labials or infralabials, are those scales that border the mouth opening along the lower jaw. They...

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Supralabial scale

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supralabial scales, also called upper-labials, are those scales that border the mouth opening along the upper jaw. They do not include the median scale (rostral...

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Labial

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refer to: the lips In linguistics, a labial consonant In zoology, the labial scales the labia (genitalia) Labial (gene), a gene in Drosophila melanogaster...

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Rostral scale

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differentiate species from one another. Nasorostral scale Mental scale Labial scales Snake scales Anatomical terms of location Wright AH, Wright AA (1957)...

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Rinkhals

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at midbody 116–150 ventral scales anal plate is entire 30–47 subcaudal scales, paired 7 upper labial scales upper labials 3 and 4 entering the eye 1 preocular...

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Gray ratsnake

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band which covers the eyes and extends rearward to the posterior upper labial scales. However, in the northern part of its range it is black in adulthood...

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Mental scale

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of this scale is sometimes one of the characteristics used to differentiate species from one another. Rostral scale Labial scales Snake scales Anatomical...

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Snake scale

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are one or two scales called loreal scales. Loreal scales are absent in elapids. The scales along the lips of the snake are called labials. Those on the...

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Mexican blind lizard

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the scales in the anterior areas of the mouth and nose (rostral scale, first labial scale, and loreal). The Mexican blind lizard is a limbless lizard, adapted...

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Crotalus ruber

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Also, the first lower labial scale on each side is transversely divided to form a pair of anterior chin shields. The dorsal scales are usually arranged...

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and grey tinges. The labial scales are sometimes pale around the mouth and front of head. The number and arrangement of scales on a snake's body are...

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Cemophora coccinea coccinea

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distinction is in the number of upper labial scales present in each subspecies: the Florida scarlet snake has 7 upper labial scales, while the Northern scarlet...

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Thamnophis saurita saurita

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a long tail that is about one-third of the length of its body. The labial scales around the mouth of the snake are unmarked and uniformly bright yellow...

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Eutropis macularia

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suture between the rostral scale and the first labial scale. The ear-opening is oval, about the same size as a lateral scale, or a little smaller. The...

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Crotalus basiliscus

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light edges. The head is a uniform grayish-brown except for its lighter labial scales and dark postorbital bar. No distinct pattern is found on the crown...

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Plestiodon laticeps

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Five-lined Skink. However, they can be distinguished by having five labial scales around the mouth, whereas Five-lined skinks have only four. Juveniles...

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Brown forest cobra

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and underside of the head are light, usually cream-coloured, and the labial scales have dark edges, although these can be indistinct in some populations...

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Peninsular rock agama

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orbit; it has 10 to 13 upper and as many lower labial scales. The body is slightly flattened; dorsal scales are small, uniform, smooth, or feebly keeled...

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Achalinus zugorum

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of its elliptical-looking dorsal scales, and the absence of everted labial scales. Miller, Aryeh H.; Davis, Hayden R.; Luong, Anh Mai; Do, Quyen Hanh;...

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Pine woods snake

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stripe may be present along the middle of the back. The upper labial scales (lip scales) are a whitish or pale yellow color which led to its other common...

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Aesculapian snake

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short vertical stripe connecting the eye with the fourth to fifth upper labial scales. Adults are much more uniform, sometimes being olive-yellow, brownish-green...

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Greater earless lizard

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burrowing in the sand, as are the recessed lower jaw and flared upper labial scales. Greater earless lizards are sexually dimorphic, males grow larger and...

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Sibon nebulatus

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ranges from white to beige, speckled with tiny dark brown points. The labial scale on the upper lip behind the eye is enlarged. In cloud forests of northwestern...

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Roundedness

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amount of rounding in the lips during the articulation of a vowel. It is labialization of a vowel. When a rounded vowel is pronounced, the lips form a circular...

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Corallus

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numbers of very pronounced thermoreceptive pits are located between the labial scales. Species in the genus Corallus are found in Central America, South America...

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Clitoral hood reduction

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were satisfied with the labial reduction outcomes; that the average patient satisfaction score was 9.2 points on a 10-point scale; that 95 per cent of the...

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