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tapetum
noun pl. tapeta
- Anat., Zool. any of various membranous layers; esp.,
- the iridescent choroid membrane in the eye of certain animals, as the cat
- a layer of fibers from the corpus callosum forming a portion of the roof of each lateral ventricle of the brain
- Bot. a nutritive layer of cells lining the inner wall of a fern sporangium or of an anther
Related Forms:
- tapetal adjective
See tapetum in American Heritage Dictionary 4
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