- lateral hearts
-
see commissural vessels.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
lateral hearts
Look at other dictionaries:
lateral commissures — 1. (ANNELIDA) Commissural blood vessels. Paired segmental lateral blood vessels from the dorsal vessel to anteriorly join the ventral vessel and more posteriorly, the sub neural vessel; when contractile, they are called lateral hearts or… … Dictionary of invertebrate zoology
commissural vessels — (ANNELIDA) Paired segmental lateral blood vessels from the dorsal vessel to anteriorly join the ventral vessel and more posteriorly, the sub neural vessel; when contractile, they are called lateral hearts or pseudohearts … Dictionary of invertebrate zoology
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
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bridge — bridge1 bridgeable, adj. bridgeless, adj. bridgelike, adj. /brij/, n., v., bridged, bridging, adj. n. 1. a structure spanning and providing passage over a river, chasm, road, or the like. 2. a connecting, transitional, or intermediate route or… … Universalium
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium
segment — 1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder. SYN: segmentum [TA]. SEE ALSO: metamere. 2. A territory of an organ having independent function, supply, or drainage. 3 … Medical dictionary
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annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
