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The stomach. [Obs.] Whether I will or not, while I live, my heart beats, and my ventricle digests what is in it. Sir M. Hale.

Proventriculus.

canal or passage; as, the aqueduct of Sylvius, a channel connecting the third and fourth ventricles of the brain.

of the two chambers, of the heart, by which the blood is received and transmitted to the ventricle or ventricles; -- so called from its resemblance to the auricle or external ear of some quadrupeds. See Heart.

e central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three segments, the fore-, mid-, and hind-brain.

A curved ridge in the floor of the leteral ventricle of the brain; the calcar avis, hippocampus minor, or ergot.

resembling the chorion; as, the choroid plexuses of the ventricles of the brain, and the choroid coat of the eyeball. -- n.

rpora striata (-t. Etym: [NL., striate body] (Anat.), a ridge in the wall of each lateral ventricle of the brain.

The epithelial lining of the ventricles of the brain and the canal of the spinal cord; endyma; ependymis.

ifice; a fenestra. Foramen of Monro (Anat.), the opening from each lateral into the third ventricle of the brain. -- Foramen of Winslow (Anat.), the opening connecting the sac of the omentum with the general cavity of the peritoneum.

Esp., two longitudinal bands of white nervous tissue beneath the lateral ventricles of the brain.

Contraction of only one ventricle of the heart.

A name applied to either of two ridges of white matter in each lateral ventricle of the brain. The larger is called hippocampus major or simply hippocampus. The smaller, hippocampus minor, is called also ergot and calcar.

homogeny between the fore limb of a mammal and the wing of a bird; but the right and left ventricles of the heart in both are only in homoplasy with each other, these having arisen independently since the divergence of both groups from a univentricular ancestor.

An accumulation of liquid within the cavity of the cranium, especially within the ventricles of the brain; dropsy of the brain. It is due usually to tubercular meningitis. When it occurs in infancy, it often enlarges the head enormously.

e infundibulum of the brain, a hollow, conical process, connecting the floor of the third ventricle with the pituitary body; the infundibula of the lungs, the enlarged terminations of the bronchial tubes.

Between the ventricles; as, the interventricular partition of the heart.

Within or between ventricles.

A passage; esp., the passage between the third and fourth ventricles in the brain; the aqueduct of Sylvius.

A band of white matter in the wall of fourth ventricle of the brain.