AURICLES OF THE HEART
\ˈɔːɹɪkə͡lz ɒvðə hˈɑːt], \ˈɔːɹɪkəlz ɒvðə hˈɑːt], \ˈɔː_ɹ_ɪ_k_əl_z ɒ_v_ð_ə h_ˈɑː_t]\
Definitions of AURICLES OF THE HEART
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Are two cavities, one right, the other left, each communicating with the ventricle of its side. These two cavities receive the blood from every part of the body. Into the right auricle, the two venae cavae and coronary vein open: into the left, the four pulmonary veins. The foliated or dog's ear portion of each auricle is called Appendix auriculae. See Sinus.
By Robley Dunglison
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ATP Binding Cassette, Sub Family B Proteins
- A subfamily transmembrane the superfamily TRANSPORTERS that closely related in GLYCOPROTEIN. When overexpressed, function as dependent efflux pumps able extrude lipophilic drugs, especially ANTINEOPLASTIC AGENTS, from cells causing resistance (DRUG RESISTANCE, MULTIPLE). Although P-Glycoproteins share functional similarities to MULTIDRUG RESISTANCE-ASSOCIATED PROTEINS they are two distinct subclasses of ATP-BINDING CASSETTE TRANSPORTERS, and have little sequence homology.