English Dictionary |
RETINAL ROD
Pronunciation (US): | (GB): |
IPA (US): |
Dictionary entry overview: What does retinal rod mean?
• RETINAL ROD (noun)
The noun RETINAL ROD has 1 sense:
1. a visual receptor cell that is sensitive to dim light
Familiarity information: RETINAL ROD used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
A visual receptor cell that is sensitive to dim light
Classified under:
Nouns denoting body parts
Synonyms:
Hypernyms ("retinal rod" is a kind of...):
visual cell (one of the cells of the retina that is sensitive to light)
Meronyms (parts of "retinal rod"):
retinal purple; rhodopsin; visual purple (a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light)
Holonyms ("retinal rod" is a part of...):
retina (the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve)
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