Histology ospee

1. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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 The Identifying Points For Histological Slide  1.Loose Connective Tissue   -bundle of collagen and elastic fibre present  -connective tissue cells are present.  -ground substance and different connective tissue cells are scattered in the fibres or in the masses.  2.Hyaline Cartilage

2. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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  -homogeneous matrix (glass like)  -cells(chondrocytes)lie in lacunae forming groups or colony  -dense fibrous connective tissue covering(perichondrium) present.  3.Elastic Cartilage   -elastic fibres are abundant.

3. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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 -elastic firbres form branching and anastomosing network  -cells are scattered within fibres  4.FibroCartilage   -coarse ,long ,parallel ,wavy bundle of collagen fibres present  -cells lie in row between collagen fibre bundles  5.Compact Bone

4. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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  -presence of Haversian canal containing neuro-vascular bundle.  -concentric bony lamellae surrounding central canal present  -lacunae (containing osteocytes )and canaliculi present.  6.Spinal Cord   -inner ‘H’ shaped gray matter,outer white matter.

5. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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 -Central canal present,lined by simple ciliated columnar epithelium(ependyma).  -anterior median fissure and posterior median sulcus or septa present  7.Cerebellum   -outer gray matter ,inner white matter present  -cortex have three layers  -Purkinje cells in the middle layer of cortex  8.Cerebrum

6. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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  -composed of six layers of nerve cells  -pyramidal cells maybe seen in 3rd and 5th layers  -outer gray matter,and inner white matter present  9.Skeletal Muscle   -prominent transverse cross striation present  -multiple nuclei located peripherally  -muscle fibres are cylindrical shaped

7. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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 10.Smooth Muscle   -cross striation absent  -nucleus is single and centrally placed  -spindle shaped muscle cell  11.Cardiac Muscle   -fibres branch and anastomose with one another.

8. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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 -intercalated disc present  -single ,oval,centrally place nucleus  -cross striation (faint)present  Artery   12.Large (Elastic )Artery  -a series (40-60) of concentrically arranged elastic fibres are present in tunica media  -tunica intima is thicker but adventitia is relatively thin  -external and internal elastic lamina are not prominent  13.Medium Sized (Muscular)Artery  -a series of (up to 40) circularly arranged smooth muscle cell present in tunica media.  -internal elastic lamina is very prominent and thrown into wavy folds.  -tunica intima is not thick  14.Vein

9. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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  -large ,irregular luman present but wall is thinner  -tunica adventitia is the thickest coat  -tunica media is thin  -elastic lamina is indistinct or absent  15.Lymph Node

10. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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  -thin capsule and thin trabeculae are present  -subcapsular lymph sinus present  -presence of outer cortex and inner medulla  -cortex shows closely packed lymph nodules ,some having germinal centres.  16.Spleen 

11. The Identifying Points For Histological Slide
Nishtar ken. By Muhammad Ramzan Ul Rehman
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 -thick capsule and trbeculae present  -not differentiated into cortex and medulla  -red pulp and white pulp present  -white pulp (malpighian body )has eccentric arteriole  17.Thymus   -composed of lobules separated by interlobular connective tissue  -lobule has outer cortex and inner medulla  -medulla contain Hassall’s corpuscles  -cortex is dense but without any lymphatic nodules