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Loreal pit information


Bothriechis lateralis. The loreal pit is visible between the eye and the nostril.
Diagram of the loreal pit.

The loreal pit is the deep depression, or fossa, in the loreal area on either side of the head in pit vipers (crotaline snakes). The area is located behind the nostril and in front of the eye, but below the line that runs between the centers of each. It is the external opening to an extremely sensitive infrared detecting organ. The loreal pit is bordered by lacunal scales. The loreal pit also functions as part of a thermal regulating system, enabling pit vipers to maintain their body temperature.[1]

  1. ^ Campbell, J.A.; Lamar W.W. (2004). The Venomous Reptiles of the Western Hemisphere. Ithaca and London: Comstock Publishing Associates. pp. 870, 1500 plates. ISBN 0-8014-4141-2.

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Loreal pit

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The loreal pit is the deep depression, or fossa, in the loreal area on either side of the head in pit vipers (crotaline snakes). The area is located behind...

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characteristic – a deep pit, or fossa, in the loreal area between the eye and the nostril on either side of the head. These loreal pits are the external openings...

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meaning 'eye' or 'face', together an allusion to the heat-sensitive loreal pit organs. Members of this genus are responsible for more human deaths in...

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to 12 upper labials, second usually forming the anterior border of the loreal pit, third largest; temporal scales smooth. The dorsal scales are more or...

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Craspedocephalus trigonocephalus

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The neck is distinct from the flattened, triangular head. There is a loreal pit on each side of the head. Mid-sized eyes and a short, rounded, broad snout...

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Agkistrodon piscivorus

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being thick-bodied with large heads, but they have round pupils, no loreal pit, a single anal plate, subcaudal scales that are divided throughout, and...

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Calloselasma

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than the parietals. 7-9 upper labials. Loreal pit not in contact with the upper labials. This is the only Asian pit viper with large crown scales and smooth...

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scales. Laterally, the second supralabial forms the anterior border of the loreal pit, while the third is very large. The eye is separated from the supralabials...

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scale is low and does not form the anterior margin of the heat-sensing loreal pit. The color pattern consists of a grayish brown ground color overlaid with...

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superficially, pitvipers possess one large pit organ on either side of the head, between the eye and the nostril (loreal pits), while boas and pythons have three...

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superficially, pitvipers possess one large pit organ on either side of the head, between the eye and the nostril (Loreal pit), while boas and pythons have three...

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Lacunal scales

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the loreal pit in crotaline snakes. Usually, these scales are large and also curve outward to form the outer border of the pit. In most cases the pit opening...

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superficially, pitvipers possess one large pit organ on either side of the head, between the eye and the nostril (loreal pit), while boas and pythons have three...

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The Mystery Flesh Pit National Park is an online speculative evolution and alternate history project created by artist Trevor Roberts consisting of text...

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visible and infrared wavelengths Littoral Airborne Sensor/Hyperspectral Loreal pit Low Altitude Navigation and Targeting Infrared for Night Luminous infrared...

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the upper labials. Upper labials 9 or 10, the 2nd separated from the loreal pit, the 3rd and 4th largest. The temporal scales are keeled. In Argentina...

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subfamily Crotalinae, commonly known as "pit vipers", are the only viperids native to America. They have a loreal pit, a hole on each side of the head between...

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or slam into each other. Taking place in an area called the mosh pit (or simply the pit), it is typically performed to aggressive styles of live music such...

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subfamily Crotalinae, commonly known as "pit vipers," are the only viperids native to the Americas. They have a loreal pit, a hole on each side of the head between...

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demonstrated cold activation of TRPA1 channels in vitro. In the heat-sensitive loreal pit organs of many snakes, TRPA1 is responsible for the detection of infrared...

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Ophryacus smaragdinus

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the supraocular scales. There are 1–4 keeled postrostral internasals. Loreal pit is divided. Ventrals 155–166, 3–5 postoculars, 3–5 suboculars, subcaudals...

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Craspedocephalus macrolepis

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hunting snake relying on its camouflage to catch prey. The heat-sensing loreal pits are used to locate warm-blooded prey. It feeds mainly on frogs, lizards...

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An earth oven, ground oven or cooking pit is one of the simplest and most ancient cooking structures. The earliest known earth oven was discovered in...

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from other pit vipers of peninsular India based on the presence of small internasals, the second supralabial in contact with the loreal pit, 21 rows of...

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