OCULAR ANA Set 3 (The Choroid and Retina Pt 1)

(DOC GR NOTES)

Ciliary body

Anterior portion of the choroid

Optic nerve

Posterior portion of the choroid

Choroid

Thin dark membrane, extending from ora Serata to optic nerve

Melanocytes

Fibroblast with pigment and the cause why the choroid is dark

PERICHOROIDAL SPACE OF SCHWALBE

The choroid is separated from the sclera by?

PERICHOROIDAL SPACE OF SCHWALBE

long posterior ciliary arteries

2 long ciliary nerves

Posterior pole of the choroid

Thickest

anterior pole of the choroid

Thinnest

0.25 mm

Posterior pole of the choroid measures?

0.10 mm

Anterior pole of the choroid measures?

Anterior ciliary arteries

Blood supply of choroid

Long and short PCA

Blood supply of choroid

Short ciliary nerve

The choroid Cell is innervated by?

Suprachoroidal lamina

Lamina Fusca

Suprachoroidal lamina / Lamina fusca

Potential space

Smooth muscle fibers

Suprachoroidal lamina / Lamina fusca

Melanocytes

Suprachoroidal lamina / Lamina fusca

Endothelial cells

Suprachoroidal lamina / Lamina fusca

Long and short PCA

Suprachoroidal lamina / Lamina fusca

Long and short ciliary nerve

Suprachoroidal lamina / Lamina fusca

Choroidal stroma

A pigmented vascularized, loose connective tissue layer, containing melanocytes, fibroblast, macrophages, lymphocytes, and mast cells

Choroidal stoma

The hallers layer and sattlers layer is found in this part of the choroid

HALLER’S LAYER

Large anastomosing veins

SATTLER’S LAYER

Medium anastomosing veins

Choriocapillaris / Membrane of Ruysch

Finish treated and wide bone capillaries

Choriocapillaries

Membrane of Ruysch

Choriocapillaries / membrane of ruysch

Densest @ macular region

Macular

The membrane of Ruysch is densest in what region?

Bruch’s membrane

Lamina vitrea

Bruch’s membrane

Lamina Basalis Choroidea

Bruch’s membrane/ Lamina vitrea / Lamina basalis choroidea

Innermost layer of the choroid, nearest to the retina.

Collagen and Elastic fibers

Can be found in Lamina basalis choroidea

Bruch’s membrane/ Lamina vitrea / Lamina basalis choroidea

Basement membrane for capillary layer and RPE

Bruch’s membrane/ Lamina vitrea / Lamina basalis choroidea

Plays a role in the passage of tissue fluid

Bruch’s membrane/ Lamina vitrea

Has thin structures

7 - 15 mm

Bruch’s membrane has thin structures measuring ______

Retina

Transparent

Retina membrane

Thin membrane

Ora seratta

Anterior of the retina

Optic nerve head

Posterior of the retina

Retina

Expansion of optic nerve between vitreous and choroid

OPTIC CUP / VESICLE

The retina is Developed from ?

0.1 - 0.5 mm

Thickness of the retina

1.5 mm

Diameter of the optic disc

3 mm

Distance diameter between the optic disc and macula

4.5 mm

Macula diameter

Central retina or macula lutea

Mainly cones

4.5 mm

Diameter of central retina

Peripheral retina

Mainly rods

Peripheral retina

Remaining portion of the retina

Ora seratta

6mm from limbus

Ora seratta

Scalloped anterior termination of sensory retina where it continues with ciliary epithelium