Histology Mid Term 1

Front 1

Back 1

Simple columnar epithelium (Gallbladder, H&E) – Slide 3

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Back 2

Transitional Epithelium (urinary bladder, H&E) – Slide 8

Front 3

Back 3

Transitional Epithelium (urinary bladder, H&E) – Slide 8

A) Umbrella Cell

B) Pear-shaped cell

C) Basal layer

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Back 4

Pseudostratified columnar epithelium (epididymis, H&E) – Slide 4

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Back 5

Mesenchymal tissue (Wharton’s Jelly) (Umbilical cord, H&E) – Slide 19

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Back 6

Blood cells (blood smear, May-Grünwald-Giemsa) - Slide 52

A) Eosinophil

B) Lymphocyte

C) Erythrocyte (red blood cell)

Front 7

Back 7

Mast cell (peritoneum, toluidine blue) – Slide 21

Front 8

Back 8

Goblet cells (large intestine, H&E) – Slide 10

A) Crypt of Lieberkuhn

B) Goblet cell

Front 9

Back 9

Hyalin cartilage (rib, H&E) – Slide 23

A) Chondron

B) Interterritorial matrix

C) Chondrocyte

D) Perichondrium

Front 10

Back 10

Elastic fibers (large artery, resorcin fuchsin) – Slide 15

Front 11

Back 11

Apocrine secretion (prostate, H&E) – Slide 12

A) Glandular epithelium – cuboidal to columnar, depending on level of activity

B) Acinus of the gland

C) Prostatic concretions/prostatic stones/corpora amylacea

Front 12

Back 12

Simple squamous epithelium (endothelium, elastic artery, H&E) – Slide 50

Front 13

Back 13

Endochondral ossification – Slide 28

A) Spicule

B) Resting zone

3) Zone of proliferation

4) Zone of degeneration

5) Zone of mesenchymal invasion

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Back 14

Endochondral ossification – Slide 28

A) Osteoblast

B) Osteocyte

C) Chondroclast

D) Primary bone marrow

Front 15

Back 15

Fibrous cartilage (meniscus, H&E) – Slide 25

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Back 16

Stratified squamous non-keratinized epithelium (esophagus, H&E) – Slide 5

Front 17

Back 17

Elastic cartilage (epiglottis, resorcin fuchsin) – Slide 24

Front 18

Back 18

Intramembranous ossification (calvaria, H&E) – Slide 29

1) Spicule

2) Osteoblasts

Front 19

Back 19

Collagen fibers (tendon, H&E) – Slide 14

tendocyte

Front 20

Back 20

Stratified squamous keratinized epithelium (palmar skin, H&E) – Slide 6

A. Stratum basale

B. Stratim spinosum

C. Stratum granulosum

D. Stratum lucidum (highly refractive; will appear bright pink in your slides)

E. Stratum corneum

F. Connective tissue papilla

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Back 21

21. Stratified columnar epithelium (penis, H&E) – Slide 7

urethra

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Back 22

Stratified columnar epithelium (penis, H&E) – Slide 7

Our specimens are taken from the part of the penis where the urethra shows stratified columnar (e.g. more distal). The epithelium of the penis transitions as it moves distally.

Front 23

Back 23

Holocrine secretion (sebaceous gland, hairy skin, H&E) – Slide 11

A. Hair follicle

B. Sebaceous gland

Front 24

Back 24

Reticular fibers (liver, silver impregnation)

You should be able to identify reticular fibers. In order to visualize them, we use silver impregnation because they are argyrophilic (so they take up the silver pigment).

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Back 25

Bone – cross section (Schmorl)

A. Special lamellae

B. Haversian canal

C. Osteocyte

D. Interstitial lamellae

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Back 26

Umbilical cord (H-E), Simple cuboidal epithelium – Slide 19

Front 27

Back 27

Adipocyte (Sudan stain) – Slide 22

Front 28

Back 28

Blood cells (blood smear, May

Grünwald-Giemsa) – Slide 52

A. Neutrophil

B. Eosinophil

C. Neutrophil

D. Monocyte

Front 29

Back 29

Merocrine secretion (submandibular gland, HE) – Slide 13

A. Mucous acinus

B. Excretory duct

C. Demilune of Gianuzzi

D. Salivary duct

E. Serous acinus

Front 30

Back 30

Scalp skin (Azan) – slide 17

A. Hair follicle

B. Collagen

C. Sebaceous gland

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Back 31

Smooth Muscle (Jejunum - H-E) Slide 30

A) Longitudinal

B) Cross Section

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Back 32

Striated Muscle - Longitudinal Section (H-E) Slide 31

A) Fibrocyte

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Back 33

Cardiac Muscle - Longitudinal Section (H-E) Slide 34

A) Cardiac Muscle Cell

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Back 34

Cardiac Muscle Cross Section + Purkinje Fibers (H-E) Slide 35

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Back 35

Peripheral Nerve (H-E) Slide 36

A) Perineurium

B)Adipose Tissue

C) Epineurium

D) Endoneurium

Note: In Silver Nitrate Impregnation the Myalin sheets are stained

Front 36

Back 36

Pseudounipolar Neurones (spinal ganglion, H-E) Slide 37

Blue) Pseudounipolar Neuron

Red) Satellite Cells

A) Schwan Cells

B) Exons w Myalin Sheet

Front 37

Back 37

Multipolar Neurones (autonomic ganglion, silver nitrate impregnation) Slide 38

A) Dendrites

B) Satellite Cells

Front 38

Back 38

Motor End Plate (histochemical method for acethylcholinesterase) Slide 43

A) Motor End Plate

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Back 39

Placenta (H-E) Slide 83

A) Amnion Epithelium

B) Chorionic Villi

C) Intervillous Spaces

D) Fibrinoid

E) Anchoring Villus

F) Placenta Septa

Note: Syncytiotrophoblast around villi