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Eyes
Senses
| Question | Answer |
|---|---|
| Ocular system | Responsible for vision |
| Eyes | Receptor organs for sight |
| Intraocular | Within the eyeball |
| Extraocular | Outside of the eyeball |
| Periocular | Around the eyeball |
| Adnexa | accessory structures including orbit, muscles, eyelids, eyelashes, conjunctiva, lacrimal apparatus |
| Stroma | Supporting tissue of eye organ |
| Orbit | Bony cavity of the skull containing the eyeball |
| Periorbita | Eye socket |
| Seven eye muscles | Ventral & dorsal obliques, dorsal/medial/ventral/lateral rectus, retractor bulbi |
| Extrinsic muscles | 6 muscles that attach outside eyeball to the eye socket |
| Levator Palpebrae Muscles | Muscles that raise the upper eyelids |
| Eyelid | Contains upper and lower, protect the eye from injury, foreign material and light |
| Blephar/o | Eyelid |
| Palpebra | Eyelid |
| Palpebral | Pertaining to eyelid |
| Palpebral Reflex | Blink reflex |
| Canthus | The angle where the upper and lower eyelids meet |
| Medial Canthus | Corner of the eye nearest to the nose |
| Lateral Canthus | Corner of the eye furthest from the nose |
| Tarsal Plate | Platelike framework within the upper & lower eyelids that provides stiffness and shape |
| Meibomian Glands | Sebaceous glands on the margins of the eyelid (Tarsal glands) |
| Eyelashes | Cilia that protect the eye from foreign material |
| Conjunctiva | Mucous membrane that lines the underside of the eyelid and covers the exposed surfaces of the eyeball |
| Nictating membrane | Conjunctival fold attached at the medial canthus that moves across the cornea (third eyelid) |
| Lacrimal apparatus | Structures that produce, store and remove tears |
| Lacrimation | Normal tear secretion |
| Lacrimal canaliculi | Ducts at the medial canthus that collect tears and drain them into the lacrimal sac |
| Lacrimal Sac | Enlargement that collects tears at the upper portion of the tear duct |
| Nasolacrimal duct | Passageway that drains tears into the nose |
| Dorsal punctum | small spot near the upper medial canthus where the nasolacrimal duct begins |
| Ventral punctum | Small spot near the lower medial canthus where the nasolacrimal duct begins |
| Multi-layered wall of the eyeball | Sclera, choroid, retina |
| Sclera | White of the eye; fibrous outer layer that maintains shape |
| Choroid | Opaque middle |
Created by:
Libelle
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