cor frontale
Anterior accessory circulatory pump that helps maintain blood pressure in large or active crustaceans [Brusca and Brusca, 2002].
Special pulsating structure or accessory heart formed from enlargement of blood vessel; contraction caused by outer tangential muscles or internal muscles derived from muscles having other functions [McLaughlin, 1980].
(Order Cumacea):
In circulatory system, small, muscular expansion of anterior aorta. Located in head; supports heart in pumping blood anteriorly. (Syn. cephalic heart) [Stachowitsch, 1992].
(Order Tanaidacea):
In circulatory system, small muscular expansion of anterior aorta. Located in head; supports heart in pumping blood anteriorly. (Syn. cephalic heart) [Stachowitsch, 1992].
(Order Decapoda):
In circulatory system, muscular expansion of anterior aorta. Supports heart in pumping blood to anterior region of head. (Syn. accessory heart) [Stachowitsch, 1992].
(Order Isopoda):
In circulatory system, small, muscular expansion of anterior aorta. Located at border of cephalon and pereon; supports heart in pumping blood to anterior region of head. (Syn. accessory heart) [Stachowitsch, 1992].
(Order Mysida):
In circulatory system, muscular expansion of anterior aorta. Supports heart in pumping blood to anterior region of head. (Syn. anterior heart, frontal heart) [Stachowitsch, 1992].
(Order Euphausiacea):
In circulatory system, muscular expansion of anterior aorta. Supports heart in pumping blood to anterior region of head [Stachowitsch, 1992].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • cor frontale — (ARTHROPODA: Crustacea) Special pulsating structure or accessory heart formed from enlargement of the anterior median artery in front of the triturating stomach in Malacostraca …   Dictionary of invertebrate zoology

  • anterior aorta — (Order Cumacea): Aorta [Stachowitsch, 1992]. (Order Tanaidacea): Aorta. (Syn. cephalic aorta) [Stachowitsch, 1992]. (Order Decapoda): Major unpaired blood vessel arising from anterior end of heart and extending into head. May bear accessory heart …   Crustacea glossary

  • aorta — (Order Cladocera): Heart [Stachowitsch, 1992]. (Order Cladocera): Unpaired blood vessel extending ventroposteriorly from heart. Separated from heart by anteroventral aortic valve and splits distally into several branches [Stachowitsch, 1992].… …   Crustacea glossary

  • accessory heart — (Order Decapoda): Cor frontale [Stachowitsch, 1992] …   Crustacea glossary

  • frontal heart — (Order Mysida): Cor frontale [Stachowitsch, 1992] …   Crustacea glossary

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  • corne — [ kɔrn ] n. f. • v. 1120; lat. pop. corna; lat. class. cornua, plur. de cornu → 1. cor 1 ♦ Excroissance osseuse permanente recouverte d un étui épidermique, sur la tête de certains mammifères. Cornes frontales des bovidés, des antilopes et des… …   Encyclopédie Universelle

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