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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 ret·i·na /ˈrɛtṇə, ˈrɛtnə/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 ret·i·na /ˈrɛtṇə, ˈrɛtnə/ 名詞

From: Network Terminology


From: Webster's Revised Unabridged Dictionary (1913)

 Ret·i·na n.  Anat. The delicate membrane by which the back part of the globe of the eye is lined, and in which the fibers of the optic nerve terminate. See Eye.
 Note:The fibers of the optic nerve and the retinal blood vessels spread out upon the front surface of the retina, while the sensory layer (called Jacob's membrane), containing the rods and cones, is on the back side, next the choroid coat.

From: WordNet (r) 2.0

      n : the light-sensitive membrane covering the back wall of the
          eyeball; it is continuous with the optic nerve
      [also: retinae (pl)]