putamen

The hard endocarp of certain fruits; pyrene.

The reddish, outermost, and largest of the three portions into which the lentiform nucleus of the brain is divided.

In botany, the endocarp of a fruit when hard and stony; the shell of a nut, or the stone of a stone-fruit or drupe; also, one of the pyrenæ or apparent seeds of some drupes. See drupe and endocarp, and cut under drupe.

In ornithology, the soft shell of an egg; a last layer of tough tenacious albumen deposited upon the soft white of the egg, forming a membrane in and upon which the hard shell is deposited.

In anatomy, the outer zone of gray matter of the lenticular part of the corpus striatum of the brain. The claustrum separates the putamen from the cortex of the brain.

The shell of a nut; the stone of a drupe fruit. See endocarp.

A round structure located at the base of the forebrain, regulating movement and learning.

A hard, shell-like covering.

The shell of a nut; the stone of a drupe fruit; endocarp.

the outer reddish part of the lenticular nucleus