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Amphiesma stolata

In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that contacts the paraventral (lowermost) row of dorsal scales on either side. The anal scale is not counted.[1]

The term gastrostege (from Greek γαστήρ, γαστρός = belly and στέγη, στέγος = cover, roof) was more often used in the older literature, especially pre-1900 but is rarely used today.[2][3]

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See also

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References

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  1. ^ Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. 2 volumes. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
  2. ^ American Philosophical Society.; Society, American Philosophical (1885). Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge. Vol. v. 22 (1885). Philadelphia: American Philosophical Society.
  3. ^ Heatwole, Harold; Busack, Stephen; Cogger, Harold (September 2005). "Geographic Variation in Sea Kraits of the Laticauda Colubrina Complex (Serpentes: Elapidae: Hydrophiinae: Laticaudini)". Herpetological Monographs. 19 (1): 1–136. doi:10.1655/0733-1347(2005)019[0001:GVISKO]2.0.CO;2. ISSN 0733-1347.

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Missionary position

intercrural sex), and its penile-vaginal aspect is an example of ventro-ventral (front-to-front) reproductive activity. Variations of the position allow

Torso

Distribution of cutaneous nerves. Ventral aspect. Dorsal and lateral cutaneous branches labeled at center right. Dorsal aspect. Ventral and lateral cutaneous branches

Anatomical terms of location

dorsal plane and divides the body into dorsal (towards the backbone) and ventral (towards the belly) parts. The transverse plane, also called the axial

Ventral tegmental area

The ventral tegmental area (VTA) (tegmentum is Latin for covering), also known as the ventral tegmental area of Tsai, or simply ventral tegmentum, is

Prostate

urethra, there are two longitudinal muscle systems. On the front side (ventrally) runs the urethral dilator (musculus dilatator urethrae), on the backside

Ventral rectopexy

Ventral rectopexy is a surgical procedure for external rectal prolapse, internal rectal prolapse (rectal intussusception), and sometimes other conditions

Tiger snake

unbanded specimens occur. The ventral surface is yellow, tending black towards the tail. Midbody scales are in 17 or 19 rows, ventrals number 140 to 165, subcaudals

Ventral body cavity

The ventral body cavity is a body cavity in the anterior aspect of the human body, comprising the thoracic cavity and abdominopelvic cavity. The abdominopelvic