noun, plural re·tin·u·lae [ri-tin-yuh-lee] /rɪˈtɪn yəˌli/. Anatomy.
- a group of elongate neural receptor cells forming part of an arthropod compound eye: each retinula cell leads to a nerve fiber passing to the optic ganglion.
noun, plural re·tin·u·lae [ri-tin-yuh-lee] /rɪˈtɪn yəˌli/. Anatomy.