First Known Use: 1713
Dictionary
tapetum
noun ta·pe·tum \tə-ˈpē-təm\
plural ta·pe·ta \-ˈpē-tə\
Definition of TAPETUM
1
: any of various reflective membranous layers or areas especially of the choroid and retina of the eye
2
: a layer of nutritive cells that invests the sporogenous tissue in the sporangium of vascular plants
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Origin of TAPETUM
New Latin, from Latin tapete carpet, tapestry, from Greek tapēt-, tapēs carpet
Medical Dictionary
tapetum
noun ta·pe·tum \tə-ˈpēt-əm\
plural ta·pe·ta \-ˈpēt-ə\
Medical Definition of TAPETUM
1
: any of various membranous layers or areas especially of the choroid and retina of the eye; specifically : tapetum lucidum
2
: a layer of nerve fibers derived from the corpus callosum and forming part of the roof of each lateral ventricle of the brain
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