tapetum


ta·pe·tum

noun \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

Origin of TAPETUM

New Latin, from Latin tapete carpet, tapestry, from Greek tapēt-, tapēs carpet
First Known Use: 1713

ta·pe·tum

noun \tə-ˈpēt-əm\   (Medical Dictionary)
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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