Bulbus oculi (SFLT)

Cornea - Overview (HE)
https://www.wikiskripta.eu/images/thumb/a/a6/Cornea_%E2%80%93_upr.jpg/1280px-Cornea_%E2%80%93_upr.jpg Description: 1 – epithelium anterius (multilayer squamous non-keratinous epithelium – 6 layers), 2 – membrana limitans anterior Bowmani, 3 – substantia propria, 4 – membrana limitans posterior Descemeti, 5 – epithelium posterius (single-layer flat epithelium), V – air, CA – camera anterior (front eye chamber filled with ventricular fluid).

Cornea - detail (HE)
https://www.wikiskripta.eu/images/thumb/9/9a/Epitel_rohovky.jpg/1280px-Epitel_rohovky.jpg Description: 1 – anterior epithelium (multi-layered squamous non-keratinizing epithelium – 6 layers), 2 – membrana limitans anterior Bowmani, 3 – substantia propria represents 90% of the thickness of the cornea (it is formed by collagen fibrils), proteoglycans, water and fibroblasts-keratocytes), V – air.

Corneal Conjunctival Transition (HE)
https://www.wikiskripta.eu/images/thumb/e/e4/P%C5%99echod_rohovky_a_spojivky_6.jpg/1280px-P%C5%99echod_rohovky_a_spojivky_6.jpg Description: ES – conjunctival epithelium (multilayered cylindrical) is a continuation of the pER corneal epithelium, SR – corneal stroma is a thin tissue containing immune cells, mast cells and numerous blood vessels that form a blood network around the limbus, c – vessel, pER – anterior epithelium of the cornea (multilayer squamous epithelium non-keratinizing – 6 layers), bm – Bowman's membrane, SP – substantia propria of the cornea, dm – Descemet's membrane, zER – posterior epithelium of the cornea (single-layered epithelium flat), V – air, CA – camera anterior (front eye chamber), KT – chamber fluid, arrow – transition of the cornea in the conjunctiva.

Iridocorneal angle - iris-cornea junction (HE)
https://www.wikiskripta.eu/images/thumb/6/6f/Iridokorne%C3%A1ln%C3%AD_%C3%BAhel_4.jpg/1280px-Iridokorne%C3%A1ln%C3%AD_%C3%BAhel_4.jpg Description: ES – conjunctival epithelium (multilayered cylindrical) is a continuation of the corneal epithelium, c – blood vessels, SP – corneal substantia propria, dm – Descemet's membrane, zER – posterior corneal epithelium (single-layered flat epithelium), ICu – iridocorneal angle (iris-corneal), ED – iris epithelium (double-layered, both layers are pigmented), CA – camera anterior (front chamber of the eye)

Iris - Overview (HE)
https://www.wikiskripta.eu/images/thumb/1/10/IRIS_4.jpg/1280px-IRIS_4.jpg Description: Ep – iris epithelium (two-layer pigmented), MSP – musculus sphincter pupillae, MDP – musculus dilator pupillae, PR – plica radians, P – pupilla (pupil), CA – anterior chamber, C – side iris facing the lens.

Iris - detail (HE)
https://www.wikiskripta.eu/images/thumb/3/3b/Iris_5.jpg/1280px-Iris_5.jpg Description: Ep – iris epithelium (two-layer pigmented), MSP – musculus sphincter pupillae, MDP – musculus dilator pupillae, PR – plica radians, P – pupilla (pupil), CA – anterior chamber, C – side iris facing the lens.

Ciliary Body - Overview (HE)
https://www.wikiskripta.eu/images/thumb/4/43/%C5%98asnat%C3%A9_t%C4%9Bleso_5.jpg/1280px-%C5%98asnat%C3%A9_t%C4%9Bleso_5.jpg Description: 1 – the outer layer of the epithelium of the ciliary body, 2 – the inner layer of the epithelium of the ciliary body, 3 – the pars plicata of the ciliary body forms the aqueous humor, C – the vessels/capillaries of the ciliary body have fenestrations, CP – camera posterior (back eye chamber), Glass – sclera (white), R-PC – retina pars caeca.

Ciliated body - detail (HE)
https://www.wikiskripta.eu/images/thumb/3/36/Pars_caeca_retinae.jpg/1280px-Pars_caeca_retinae.jpg Description: 1 – outer layer of the epithelium of the ciliary body, 2 – inner layer of the epithelium of the ciliary body, C – blood vessels.

Lens - sagittal section overview (HE)
https://www.wikiskripta.eu/images/thumb/7/76/Lens_%E2%80%93_upr.jpg/1280px-Lens_%E2%80%93_upr.jpg Description: the anterior surface of the lens (A) and the posterior surface of the lens (P) meet at the equator (Ek), C – capsule (lens capsule originating from the basal lamina of the ectoderm), Ep – the epithelium is only on the anterior surface of the lens (monolayer cubic to cylindrical towards the equator), K – cortex of the lens (contains younger lens fibers), D – medulla of the lens (contains older fibers).

Lens - detail (HE)
https://www.wikiskripta.eu/images/thumb/1/19/Lens_3.jpg/1280px-Lens_3.jpg Description: P - rear surface of the lens, C - capsule (lens case), cv - lens fibers newly formed from cells that still contain nuclei.

Retina - Overview (HE)
https://www.wikiskripta.eu/images/thumb/e/e4/Retina_9.jpg/1280px-Retina_9.jpg Description: 1 – stratum pigmentosum retinae, 2 – layer of nuclei corresponding to rods and cones, 3 – layer of nuclei of bipolar cells, 4 – layer of nuclei of ganglion cells, 5 – layer of axons of ganglion cells, CV – corpus vitreum (vitreous ), R – retina, CH – choroid (choroid), A – arterioles, S – sclera (white blood cells).

Layers of the eyeball (HE)
https://www.wikiskripta.eu/images/thumb/f/f1/Skl%C3%A9ra_a_chorioidea.jpg/1280px-Skl%C3%A9ra_a_chorioidea.jpg Description: 1 – stratum pigmentosum retinae, CH – choroid (choroid), S – sclera (whites), A – retinal detachment is common in this location (retinal detachment is a common phenomenon in histological specimens).

Sense Organs

 * Pars olfactoria mucosae nasi (SFLT)


 * Organum vestibulocochleare (SFLT)


 * Bulbus oculi (SFLT)


 * Optic Nerve (SFLT)


 * Muscle spindle (SFLT)

Links

 * Histological atlas (3. LF UK)