tapetum

play
noun ta·pe·tum \tə-ˈpē-təm\

Definition of tapetum

plural

tapeta

play \-ˈpē-tə\
  1. 1 :  any of various reflective membranous layers or areas especially of the choroid and retina of the eye

  2. 2 :  a layer of nutritive cells that invests the sporogenous tissue in the sporangium of vascular plants

Recent Examples of tapetum from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tapetum'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of tapetum

New Latin, from Latin tapete carpet, tapestry, from Greek tapēt-, tapēs carpet


Medical Dictionary

tapetum

play
noun ta·pe·tum \tə-ˈpēt-əm\

Medical Definition of tapetum

plural

tapeta

\-ˈpēt-ə\play
  1. 1:  any of various membranous layers or areas especially of the choroid and retina of the eye; specifically :  tapetum lucidum

  2. 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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