| retinula | Origin: NL, dim. Of NL. & E. Retina. <zoology> One of the group of pigmented cells which surround the retinophorae of invertebrates. Source: Websters Dictionary (01 Mar 1998) |
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| retinulate | <zoology> Having, or characterised by, retinul. Source: Websters Dictionary (01 Mar 1998) |