BIOLOGY 235 Midterm 2 Diagrams
BIOLOGY 235 Midterm 2 Diagrams Fibrous tunic [Pronunciation] Cornea: Admits and refracts (bends) light. Sclera: Provides shape and protects inner parts. Vascular tunic [Pronunciation] Iris: Regulates amount of light that enters eyeball. Ciliary body: Secretes aqueous humor and alters shape of lens for near or far vision (accommodation). Choroid: Provides blood supply and absorbs scattered light. Retina [Pronunciation] Receives light and converts it into receptor potentials and nerve impulses. Output to brain via axons of ganglion cells, which form optic (II) nerve. Lens Refracts light. Anterior cavity Contains aqueous humor that helps maintain shape of eyeball and supplies oxygen and nutrients to lens and cornea.
Información del documento
- Subido en
- 4 de enero de 2022
- Número de páginas
- 51
- Escrito en
- 2021/2022
- Tipo
- Notas de lectura
- Profesor(es)
- Simon
- Contiene
- Todas las clases