Playlist • Ophthalmology 08 Eyeli...
Lacrimal Gland
Main
Orbital big up
LPS muscle b/w the two
Palpebral small down
10-12 Ducts open in superior fornix, few open in inferior fornix
Accessory
Gland of Krause (42 in upper fornix, 6-8 in lower fornix)
Gland of Wolfring (after the tarsal glands)
Lacrimal Passages
Puncta (papillae is the elevation)
Canaliculi (superior and inferior)
Valve of rossenmuller
Lacrimal Sac
NLD - 15mm - bony canal, valve of Hasner (inferior meatus)
Upper part is narrowest
D - downward
B - backward
L - lateral
Structure - serous acini (similar to salivary gland)
Blood supply - lacrimal artery - ophthalmic artery
Nerve supply -
sensory -- lacrimal nerve ophthalmic trigeminal
Secretomotor - greater petrosal nerve salivary nucelus in pons
Sympathetic cartoid plexus cervical sympathetic chain
13 июл 2024
