caudal vein
a vein in the tail that returns blood from the trunk and tail to the heart. It leads directly into the axial vein in the posterior trunk

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… …   Medical dictionary

  • axial vein — the unpaired vein in the caudal trunk leading from the caudal vein to the left and right posterior cardinal veins …   Dictionary of ichthyology

  • segmental vein — a vein lading from the spinal cord to the caudal vein, axial vein or posterior cardinal vein …   Dictionary of ichthyology

  • renal portal vein — noun 1. : one of the portal veins carrying blood from some of the posterior parts of the body to the kidneys in most lower vertebrates and including typically two trunks formed one for each kidney by the bifurcation of the caudal vein but… …   Useful english dictionary

  • posterior cardinal vein — noun a major drainage channel from the caudal part of the body • Hypernyms: ↑cardinal vein …   Useful english dictionary

  • vertebral counts — usually all the vertebrae are counted. If sutures are present in the urostyle, the indicated elements are counted. When sutures are absent the urostyle (if present) is usually counted as one vertebra. Vertebral counts may be separated into… …   Dictionary of ichthyology

  • circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …   Universalium

  • arcus haemalis — (plural arcus haeales) haemal arch (the arch which encloses the caudal vein and dorsal aorta and is found on the ventral surface of the more posterior (caudal) vertebrae. In Acipenseridae it is continuous but interrupted in Actinopterygii) …   Dictionary of ichthyology

  • arcus inferioris — (plural arcus inferiores)) haemal arch (the arch which encloses the caudal vein and dorsal aorta and is found on the ventral surface of the more posterior (caudal) vertebrae. In Acipenseridae it is continuous but interrupted in Actinopterygii) …   Dictionary of ichthyology

  • haemal arch — the arch which encloses the caudal vein and dorsal aorta and is found on the ventral surface of the more posterior (caudal) vertebrae. In Acipenseridae it is continuous but interrupted in Actinopterygii …   Dictionary of ichthyology

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