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and transmitted to the ventricle or ventricles; -- so called from its resemblance to the auricle or external ear of some quadrupeds. See Heart.

Having ear-shaped appendages or lobes; auriculate; as, auricled leaves.

The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart.

Pertaining to the auricles of the heart. Auricular finger, the little finger; so called because it can be readily introduced into the ear passage.

rs; eared. Esp.: (a) (Bot.) Having lobes or appendages like the ear; shaped like the ear; auricled. (b) (Zoöl.) Having an angular projection on one or both sides, as in certain bivalve shells, the foot of some gastropods, etc. Auriculate leaf, one having small appended leaves or lobes on each side of its petiole or bas…

Having two auricles, as the heart of mammals, birds, and reptiles.

he heart at the entrance of the vena cava inferior. It directs the blood towards the left auricle in the fetus, but is rudimentary and functionless in the adult.

Between the auricles; as, the interauricular partition of the heart.

Pertaining to a miter; resembling a miter; as, the mitral valve between the left auricle and left ventricle of the heart.

The auricle of the ear; also, the fimbriated extremity of the Fallopian tube.

The auricle of the ear. See Ear.

rous vertebrates, usually covered with scales or bony plates. The heart generally has two auricles and one ventricle. The development of the young is the same as that of birds.

An order of gastropod Mollusca having a heart with two auricles and one ventricle. The shell may be either spiral or shieldlike.

, the valve, consisting of three triangular membranous flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; -- sometimes called the tricuspid valves, each flap being regarded as a valve.

in a vein, as in the neck, when there is an obstruction to the passage of blood from the auricles to the ventricles, or when there is an abnormal rigidity in the walls of the greater vessels. There is normally no pulse in a vein.

er, or one of the two posterior chambers, of the heart, which receives the blood from the auricle and forces it out from the heart. See Heart.