hemal spine

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he·mal spine

the middle point on the underside of the hemal arch of a vertebra in lower vertebrates.

Farlex Partner Medical Dictionary © Farlex 2012

hemal spine

That part of the hemal arch of a typical vertebra that closes it in.

See also: spine

References in periodicals archive ?

A Principal Component Analysis was performed onto the caudal series (from the 20th element backward), using the configuration including the hemal spine. The first two components account for the 84.5% of the total variance (Fig.

Morphological variation in the seahorse vertebral system/ Variaciones morfologicas en el sistema vertebral del Caballo de Mar

In many teleosts caudal rays ate attached also to the parhypural (PH) and to the hemal spine of the preural 2 (PU2).

Organizacion esqueletal de la paleta caudal en Syngnathus abaster (Osteichthyes, Syngnathidae)

E, epurals; Hs, hemal spines; Na, neural arches; H, hypurals; DL, dorsal lobe; VL, ventral lobe; PH, parahipural; PBR, principal branched rays; PSR, principal simple rays.

Development of the Vertebral Column and Caudal Skeleton in Prochilodus lineatus Larvae under Laboratory Conditions/ Desarrollo de la Columna Vertebral y del Esqueleto Caudal en Larvas de Prochilodus lineatus en Condiciones de Larvicultura Intensiva

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