1st Year MBBS Histology Slides and Identification Points (FINAL).pdf

Histology final pdf

1. HISTOLOGY SLIDES WITH
IDENTIFICATION POINTS
FOR 1
ST
YEAR MBBS

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Aurangzaib Baloch | Bolan Medical College | Quetta, Balochistan
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2. IMPORTANT: Slides are followed by their
identification points.

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4. SIMPLE SQUAMOUS EPITHELIUM
IDENTIFICATION POINTS

•Appearance: Flattened cells
•Surface view: rounded central nucleus

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6. SIMPLE CUBOIDAL EPITHELIUM
IDENTIFICATION POINTS

•Cuboidal cells
•Central rounded nuclei


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8. STRATIFIED CUBOIDAL EPITHELIUM
IDENTIFICATION POINTS

•Multilayered Basal cells: high cuboidal or low
columnar cells
•Surface layer: cuboidal

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10. SIMPLE COLUMNAR EPITHELIUM
WITH GOBLET CELLS
IDENTIFICATION POINTS

•Elongated column shaped cells (height is
greater than width)
•Elongated basal nuclei

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12. STRATIFIED SQUAMOUS NON
KERATINIZED EPITHELIUM
IDENTIFICATION POINTS

•Surface squamous flattened cells
•No keratin

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14. SIMPLE COLUMNAR EPITHELIUM
IDENTIFICATION POINTS

•Single layer of elongated cells
•Height of cell is greater than width of cell
with elongated basal nuclei

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16. PSEUDO STRATIFIED COLUMNAR
EPITHELIUM
IDENTIFICATION POINTS

•Single layer of cells
•Nuclei lying at different levels; give the false
appearance of "stratified"epithelium

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18. FIBRO CARTILAGE
IDENTIFICATION POINTS:

•No perichondrium
•Chondrocytes within lacunae, arranged in
rows

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20. ELASTIC CARTILAGE
IDENTIFICATION

•Perichondrium is present
•Elastic fibres in matrix
•Chondrocytes in lacunae in the form of
isogenous groups

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22. HYALINE CARTILAGE
IDENTIFICATION POINTS:

•Dense Irregular CT (perichondrium)
•Chondrocytes (in the form of isogenous
groups) within lacunae
•Visibility to naked eye: Bluish white
translucent appearance

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24. THIN SKIN
IDENTIFICATION POINTS:

•Stratified squamous keratinized epithelium
•Hair follicles and roots present
•Sebaceous and sweat glands present

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26. THICK SKIN
IDENTIFICATION POINTS:

•Stratified squamous keratinized epithelium
•No hair roots and follicles
•Pacinian corpuscles

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28. DENSE REGULAR CONNECTIVE TISSUE
IDENTIFICATION POINTS:

•Parallel collagen fibers in the form of bundles
•Compressed elongated fibroblasts between
the collagen fibers

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30. MUCOUS ACINI
IDENTIFICATION POINTS:

•Pyramidal cells
•Flattened nuclei towards the base

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32. SPINAL CORD
IDENTIFICATION POINTS:

•Central canal
•Butterfly shaped grey matter
•Dorsal median sulcus and ventral median
fissure (depending on the portion under
examination)

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34. ARTICULAR CARTILAGE
IDENTIFICATION POINTS:

•Superficial tangential layer
•Intermediate transitional layer
•Radial zone
•Calcified zone

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36. COMPACT BONE
IDENTIFICATION POINTS:

•Haversion Canal
•Lamellae
•Osteocytes in lacunae

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38. SPONG BONES
IDENTIFICATION POINTS:

•Trabeculae
•Red marrow

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40. CARDIAC MUSCLE
IDENTIFICATION POINTS:

•Striated Appearance
•Intercalated discs

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42. SMOOTH MUSCLE
IDENTIFICATION POINTS:

•Non-striated appearance
•Single central nucleus
•Spindle shaped cells

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44. SKELETAL MUSCLES
IDENTIFICATION POINTS:

•Characteristic striated appearance
•Peripheral nuclei
•Nucleus ovoid in shape

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46. ADIPOSE TISSUE
IDENTIFICATION POINTS:

•Unilocular
•Nuclei towards periphery

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48. ELASTIC ARTERY
IDENTIFICATION POINTS:

•No distinct outer and inner elastic membranes
•Tunica adventitia: merges with CT, contains
vasa vasorum
•Tunica media: elastic fibres are present in a
large amount

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50. SPLEEN
IDENTIFICATION POINTS:

•Red pulp: splenic cord and venous sinuses
•White pulp: contains lymphatic nodules and
germinal centre

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52. LUNGS
IDENTIFICATION POINTS:

•Alveoli: Type I alveolar cells (simple squamous
epithelium); Type II alveolar cells (cuboidal
cells)
•Respiratory bronchioles: lined by simple
cuboidal epithelium

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54. THYMUS
IDENTIFICATION POINTS:

•Medulla is lightly stained
•Hassall’s corpuscles in medulla

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56. TONSIL
IDENTIFICATION POINTS:

•Stratified squamous non keratinized
epithelium
•Crypt
•Trabeculae
•Lymphatic nodules

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57. THE END

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Aurangzaib Baloch | Bolan Medical College | Quetta, Balochistan
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