hemal arches

he·mal arch·es

1. the arches that collectively comprise the thoracic cage, each consisting of a vertebra (body, pedicle, and transverse processes), the corresponding pair of ribs and their articular cartilages, and the portion of the sternum to which they attach.
2. three or four V-shaped bones located ventral to the bodies of the third to sixth coccygeal vertebrae; they represent intercentra and usually enclose the ventral caudal artery and vein.
Mentioned in ?
References in periodicals archive ?
Monod proposed the fusion of preural centra 2 and 3 (PU2 + PU3) in another species of the same genus, Syngnathus acus, on the evidence of two hemal arches under the same vertebral centrum.
Organizacion esqueletal de la paleta caudal en Syngnathus abaster (Osteichthyes, Syngnathidae)
Hemal arches display a medium laminar shape in longitude and a bending back oriented position, which indicates that the anterior face, when inserted into the vertebrae, becomes lateral by the side of the arch.
Gonopodial system review and a new fish record of Poeciliopsis infans (Cyprinodontiformes: Poeciliidae) for Lake Patzcuaro, Michoacan, central Mexico

Medical browser ?
Full browser ?