tapetum

A nutritive tissue that surrounds certain developing spores, particularly the microspores within an anther.

A reflective membrane in the back of the eye of many animals that are active during low-light conditions.

A layer of fibers of the corpus callosum forming the roof of part of the lateral ventricle of the brain.

In botany, the cell or layer of cells which is immediately outside an archesporium. It is disorganized and absorbed as the spores develop and mature. Also tapete.

The pigmentary layer of the retina; the tapetum nigrum.

The fibers from the corpus callosum forming a layer lining the roof of the middle and posterior cornua of the lateral ventricles.

An area in the pigmented layer of the choroid coat of the eye in many animals, which has an iridescent or metallic luster and helps to make the eye visible in the dark. Sometimes applied to the whole layer of pigmented epithelium of the choroid.

A membranous layer of tissue