hemal vertebra

hemal vertebra
haemal vertebra

Dictionary of ichthyology. 2009.

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  • hemal arch — n a bony or cartilaginous arch extending ventrally from the spinal column esp the arch formed by a vertebra and an associated pair of ribs * * * one of the cartilaginous structures surrounding the caudal vein in the tail of the vertebrate embryo …   Medical dictionary

  • hemal arch — noun a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels • Syn: ↑haemal arch • Hypernyms: ↑arch • Part Holonyms: ↑centrum * * * noun : a bony or cartilaginous arch extending ventrally from the spinal… …   Useful english dictionary

  • Osteichthyes —   Peces óseos Rango temporal: Devónico Presente …   Wikipedia Español

  • Spine — 1) The column of bone known as the vertebral column, which surrounds and protects the spinal cord. The spine can be categorized according to level of the body: i.e., cervical spine (neck), thoracic spine (upper and middle back), and lumbar spine… …   Medical dictionary

  • skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… …   Universalium

  • precentrum — “+ noun Etymology: New Latin, from pre + centrum 1. : a distinct anterior portion of the centrum of a vertebra commonly bearing the neural and hemal arches in a fish that has vertebra with postcentra 2. : one of an alternate series of vertebral… …   Useful english dictionary

  • arch — Any structure resembling a bent bow or an a.; an arc. In anatomy, any vaulted or archlike structure. See arcus. SYN: arcus [TA]. [thru O. Fr. fr. L. arcus, bow] abdominothoracic a. a bell shaped line defined by the lower end of the sternum and… …   Medical dictionary

  • dorsal — Neural Neu ral, a. [Gr. ney^ron nerve.] (Anat. & Zo[ o]l.) relating to the nerves or nervous system; taining to, situated in the region of, or on the side with, the neural, or cerebro spinal, axis; opposed to {hemal}. As applied to vertebrates,… …   The Collaborative International Dictionary of English

  • Neural — Neu ral, a. [Gr. ney^ron nerve.] (Anat. & Zo[ o]l.) relating to the nerves or nervous system; taining to, situated in the region of, or on the side with, the neural, or cerebro spinal, axis; opposed to {hemal}. As applied to vertebrates, neural… …   The Collaborative International Dictionary of English

  • Neural arch — Neural Neu ral, a. [Gr. ney^ron nerve.] (Anat. & Zo[ o]l.) relating to the nerves or nervous system; taining to, situated in the region of, or on the side with, the neural, or cerebro spinal, axis; opposed to {hemal}. As applied to vertebrates,… …   The Collaborative International Dictionary of English

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