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1. retina 2. optic nerve 3. eyelid 4. lens 5. cornea 6. lris

a: cornea; b: eyelid; c: iris; d: lens; arrow: anterior chamber; arrowhead: posterior chamber; curved arrow: acute angle

1: stratified squamous epithelium/bm; 2: corneal stroma; 3: endothelium and bm adj to stroma

arrow: anterior chamber; arrowhead: posterior chamber; curved arrow: iris

1. constrictor muscle 2. lens capsule

CB: ciliary body; C: cornea; S: sclera; curved arrow: ciliary processes; box: angle of anterior chamber

arrow: trabecular meshwork; left arrow: uveal portion; right arrow: corneoscleral portion; arrowhead: zonular fibers; curved arrow: canal of schlemm; box: anterior chamber

arrow: choroid; arrowhead: retina; curved arrow: sclera

a: outer nuclear layer; b: outer plexiform layer; c: inner nuclear layer; arrow: pigment epithelium; upper arrowhead: outer limiting membrane; region between arrowhead contains outer and inner segments of photoreceptor cells

in addition to the layers marked, what does the layer between the two arrow heads contain

a: inner nuclear layer; b: inner plexiform layer; c: ganglion cell layer; A contains horizontal cells amacrine cells, and bipolar cells

what cell types does A contain

A: anterior chamber
B: posterior chamber

See optic nerve head leaving lamina cribosa, note ciliary body that suspends lens across the center of eye and regulates its shape. Cliliary muscles contract which relaxes the tension on the zonules and allows the lens to round up for near vision. Natural state at rest is lens being flat and accommodated for distance.

A: Cornea
B: anterior chamber
C: Iris
D: lens
E: Posterior chamber
F: ciliary body:

A. Epithelium: stratified squamous
B. Bowman's membrane: Lightly staining single layer, modified basement membrane shared with stroma, serves a barrier function
C. Lamina propria: majority of tissue, low hydration level to maintain clarity
D. Descemet's membrane: shared basement membrane between LP and endothelium
E. Corneal endothelium: basal surface attached to lamina propria basement membrane, single cuboidal layer with apical surface anterior

Organ: EYE
IRIS, Four layers:
Anterior limiting layer: discontinuous stellate cells, no much of a barrier to anything
Stroma: majority of iris
Muscular layer: smooth muscle, 2 parts
Schincter papilae: Circumfrentially oriented: bulk of smooth muscle layer (opens pupil, sympathetic) Most numerous near edge near lens
Dialator papilae: Myoepitheial cells: act like smooth muscle cells, layer above posterior (parasympathetic),
Posterior epithelium: HEAVILY pigmented

Organ: EYE
A: Ciliary processes, double cuboidal epithelium, bottom with heavy pigment, basement facing inward, at surface is not pigmented, butt facing the interior of the eye, double cuboidal is apical-apical end
B: Zonules of Zinn
C: Ciliary Body

Organ: eye
Structure: Canal of schlemm

A: retinal layer
B: choroid layer
C: Sclera

Part of eye= RETINA
1.Bruchs membrane (retinal pigment epithelial layer)
2. Photoreceptor layer: heads of photoreceptors
3. external limiting membane: processes if mueller cells
4. external nuclear layer
5. outer pexiform: nucleus free zone, where synapses occuring
6. inner nuclear layer: nuclei of bipolar cells etc
7. inner plexiform layer: synapses between nuclei of inner nuclear layer and the ganglion cell layer
8. ganglion cell layer
9. retinal axon layer (plexiform layer of ganglion cells),
10. inner limiting membrane.

EYE: Retina
Left to right: Choroid, black strip, coricocapilaris layer, RPE, photoreceptor layer, outer nuclear layer, outer plexiform layer.

Part of the eye: fovea centralis
First three layers are thinned at the fovea centralis
A. Ganglion cell layer
B. Inner plexiform layer
C. Inner nuclear layer
D. Outer plexiform layer
E. Outer nuclear level
F. Photoreceptor layer

Structure: optic nerve head

Organ: Eye
A: Lens
B: Iris

Organ: Ear
Structure: Cochlea
A: Modiolus
B: pocket of spiral ganglion in the modiolus

Organ: EAR
Structure: Cochlea

Organ: EAR
Big Circle: bony outline
Small circle: organ of chordi
A: Scala vestibuli, perilymph
B: Scala media, endolymph
C: Scala tympani, perilymph
D: Reissner's Membrane= Roof
E: SG: bone (osseous spiral ligament)

Organ: Ear
Structure: cochlea

A: scala vestibuli
B: scala tympani
C: tunnel of corti with pillar cells around it
D: Modiolus
E: Spiral ganglion of cell bodies
F: Scala lamina
G: spiral ligament

Organ: EAR Arrow: Tectoral membrane, shrunkened and curled, would normally be fused over sensory hair cells A: Inner region B: Outer region C: Hair cells (singular) D: Phalangeal cells E: Tunnel of Corti F: Spiral Lamina G: Pillar cells, Forms the tunnel of corti

Organ: Ear
Structure: organ of chorti

Structure: Cristae Ampullaris
A: Cupula
B: scarpa's ganglion

Organn: EAR
A: Remnants of cupula

Organ: Ear
A: semicircular duct

ORGAN: EAR; A. Cupula
B. Cristae ampullaris
Arrow heads: HAIR CELLS, more apically located (type 1 and type 2)
Arrows: Sustentacular cells, more basally located nuclei

A. Retina
B. Chorooid
C. Sclera
D. Big purple guy= optic nerve

a. Ganglion cell layer
b. Inner plexiform layer
c. Inner nuclear layer
d. Outer plexiform layer
e. Outer nuclear layer
f. Photo receptor layer
g. Fovea centralis

A. Sclerea
C. Retinal pigmented epithelium
D. Rods and cones
E. Outer limiting membrane
F. Outer Nuclear Layer
G. Outer plexiform layer
H. Inner nuclear layer
I. Inner plexiform layer
J. Ganglion cell layer
K. Optic nerve
L. Internal limiting membrane

Organ: EYE
A- anterior limiting layer
B- lens capsule
C- Lens Fibers
D- Lens Epithelium
E. Posterior Epithelium
F. Iris
G. Muscle Layer

Organ: adrenal gland
A- z. glomerulosa
B- z. fasciculata
C- z. reticularis
D- medulla
E- Cortex

It's Labeled

Organ: Pituitary gland
A: Posterior pituitary
B: Anterior pituitary

Demo: pituitary gland
Look for the subdivisions of the pituitary gland.
Pars Tuberalis=PT,
Pars Distalis=PD,
Pars Nervosa=PN,
E. Pas Intermedia=PI.

Organ: pituitary gland
B: pars distalis; acidophils (A) and basophils (B). Blood filled sinuses (S) are also visible.

C: pars distalis; chromophobes (C) are also visible.

Organ: anterior pituitary gland
A: acidophils
B: basophils

Organ: pituitary gland

Organ: pituitary gland

Organ: thyroid
Structure: pars intermedia
Arrows: Rathke's cysts= colloid-filled cysts

Organ: pituitary gland
Sturcture: pars nervosa (posertior pituitary)
1. Nuclei of pituicytes
2. Axons of neurons in the surpaoptic and paraventricular hypothalmus

Organ: pituitary gland; pars nervosa

Organ: pituitary gland
Structure: pars nervosa (posterior pituitary)
Black arrows: herring bodies
Green arrows: pituicytes

Organ: Pituitary gland
Structure: posterior pituitary
Arrows: Herring bodies are only found in the neurohypophysis.

Organ: old pineal gland
Three structures present: pinealocytes, glial cells, brain sand

Organ: old pineal gland
Large arrows: pinealocytes
Small arrows: glial cells
Black blobs: brain sand

Organ: young pineal gland
Arrow: small amount of brain sand

Organ: thyroid gland

Organ: thyroid gland

Organ: thyroid gland

Organ: thyroid gland
Arrows: parafollicular cells, or "C-cells"

Organ: thyroid gland
Cell types: follicular and epithelial cells

Organ: thyroid
Arrow: parafollicular "C-cells"

Organ: thyroid
Arrows: parafollicular "C-cells"

Organ: parathyroid
Black arrows: chief cells
Blue arrows: oxyphils

Organ: parathyroid
Blue arrows: oxyphils
Black arrows: chief cells

Organ: parathyroid gland
Black arrows: oxyphil cells

Organ: adrenal gland
M: medulla
C: cortex
Black region: glomerulosa
Blue region: fasciculata
Red region: reticularis

Organ: adrenal medulla

Blue line: fasciculata
Red line: reticularis
Light blue line: medulla

Organ: adrenal gland
M: medulla
R: reticularis
F: fasciculata
G: glomerulosa

Organ: adrenal gland
C: cortex
M: medulla

Organ: adrenal gland

Organ: pancreas
A: acinar cells
B: islet cells

Organ: pancreas
A: Islet cells
B: acinar cells

A: Buccal Cavity
B: Thin Skin
C: Obicularis Oris

A: Lining Mucosa
B: Thin Skin
C: strat. Squamous mucosal epith
D: strat squamous keratinized epithelium

A: Obicularis Oris

A: Thin Skin
C: vermillion border
D: obicularis oris
E: labial Glands
F: Lining Mucosa

Labial Gland, secretes mucus

A. Whisker follicles
B. Sebaceous Glands
C. Obicularis Oris

Vermillion Border

A: Lip, B: Chin, from child

adult or child?

A: Labial Glands; B: Vermillion Border C: Thin Skin; D: Lining mucosa; E: obicularis oris

vermillion border

Part on left part of screen?

labial gland, mostly mucus but some serous

structure and its secretions?

challenge slide...A and B? A: Eyelid B. Tarsal Plate C. eyelashes?

Toungue a. Intrinsic muscles
b. Lingual glands
c. Serous glands of von ebner
d. strat. Squamous mucosal epithelium
e. Circumvallate papillae

Circumvallate papillae
A: Moat
B: Taste Buds
C. Lamina Propria Core
D: Serous Glands of Von Ebner

A: Mucus glands
B: Serous Glands
C: Moat

A: serous; B: mucus

A: Circumvallate Papillae
B: Serous Glands of von Ebner

Tongue, a: Taste buds, can see taste pore and hair

A: intrinsic tongue muscle B: Filiform Papillae

Tongue, A: filiform papillae B: intrinsic tongue muscle

A: Root
B: alveolus
C: Gingiva
D: Pulp Cavity
E: anatomical
F: Dentin
G: Clinical
H: Crown

A: odontoblasts
B: pulp cavity
C: Dentin
D: Gingival sulcus
E: gingiva

A: pulp cavity
B: odontoblasts
C: Predentin
D: Dentinal Tubules
E: Dentin

dentinal tubules

A: alveolar bone
B: periodontal ligament
C: sharpey's fibers
D: dentin

A: Periodontal ligament
B: cementum
C: Dentin

A: Dentin
B: Gingival sulcus
D: Peridontal ligament
E: Dental Pulp
F: Alveolar Bone

A: Dentin
B: Odontoblasts
C: Gingival sulcus
D: Periodontal ligament
E: Alveolar bone
F: Cementum

A: bone
B: dental sac
C: Dental papillae
E: Permanent tooth bud
F: Enamel Organ
G: Oral cavity

A: outer enamel epithelium
B: stellate reticulum
C: Inner enamel Epithelium
D: Enamel Organ

A: dental papillae
B: odotoblasts
C: Dentin
D: Ameloblasts
E: enamel
F: stratum Intermedium

A: Stellate reticulum
B: stratum intermedium
C: ameloblasts
D: Dentin
E: odontoblasts
F: Outer enamel epithelium

Hertwig epithelial root sheath

Forming tooth; micro slide says Cervical Loop (where two layers make a sharp bend)

A: Enamel
B: dentin with dental tubules

A: shrinkage artifact (that's what she said)
B: Dental papilla
C: Odontoblasts
D: Inner enamel epithelium
E: Dentin (on right)
F: Enamel (on right)
E: Outer enamel epithelium (on left)
F: Dental follicle (on left)
G: Stellate reticulum

parotid gland, serous secretion

Parotid Gland, A: serous acini B: adipose cells

intercalated duct of partoid gland

striated duct of parotid gland

interlobular, don't confuse with intralobular (parotid gland?)

parotid gland

submandibular gland

submandibular gland, because it is mixed serus and mucus, but mostly serus

Predominantly serous so probably submandibular; A: Interlobular duct (see the ct around it!)
B: serous
C: mucous
D: striated duct

Striated duct, probably submandibular gland, because it is predominantly serous but has mucus too

sublingual gland, due to mostly mucus

sublingual gland, due to mostly mucus

sublingual gland a: mucus gland b: serous demilunar c: striated duct

sublingual gland A: serous demilunar

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