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

r, but inferior in value; a mixed metal of the ancients, resembling brass; -- called also aurichalcum, orichalcum, etc.

Of, pertaining to, or in the region of, the ear; auricular; auditory.

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.

A salt of sulphauric acid.

ent held over the back by means of the caudal spines. The golden tortoise beetle (Cassida aurichalcea) is found on the morning-glory vine and allied plants. -- Tortoise plant. (Bot.) See Elephant's foot, under Elephant. -- Tortoise shell, the substance of the shell or horny plates of several species of sea turtles, e…

, 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.