a. 视网膜的

[化] 视黄醛

[医] 视网膜的, 维生素A醛, 维生素A2瑞叮醛

Retinal \Ret"i*nal\, a. (Anat.)
Of or pertaining to the retina.

{Retinal purple} (Physiol. Chem.), the visual purple.


Retinal \Ret"i*nal\, n. (Chem.)
A retinoid compound ({C20H28O}), closely related to vitamin
A, which is a component of the visual pigments in the eye. It
is also called {retinaldehyde} and {vitamin A aldehyde}.
[PJC]