Maier sinus

Mai·er si·nus

(mī'ĕr),
an infundibuliform depression on the internal surface of the lacrimal sac which receives the lacrimal canaliculi.

Maier,

Rudolf Robert, German physician, 1824-1888.
Maier sinus - an infundibuliform depression on the internal surface of the lacrimal sac which receives the lacrimal canaliculi.