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Histology slides for MBBS part 1 uhs
- 1. Muhammad Ramzan Ul Rehman 1
- 2. Histology Slides For MBBS Part 1 Exams (uhs) By Muhammad Ramzan UL Rehman Muhammad Ramzan Ul Rehman 2
- 3. • 1: Simple squamous epithelium: • Single layer of cells • Flat cells • Flat nucleus Muhammad Ramzan Ul Rehman 3
- 4. • Simple cuboidal epithelium: • Single layer of cells • Cube like cells • rounded central nucleus Muhammad Ramzan Ul Rehman 4
- 5. • Simple columnar epithelium: • Single layer of cells • Tall cells • Oval nucleus oriented along the length of cell Muhammad Ramzan Ul Rehman 5
- 6. Muhammad Ramzan Ul Rehman 6 • : Pseudotratified epithelium with goblet cells and cilia: • Single layer of cells • Nuclei arranged at different levels • Tall columnar cells with cilia; short basal cells present • Goblet cells present
- 7. Muhammad Ramzan Ul Rehman 7 • Stratified squamous non-keratinized epithelium: • Multiple layers of cells • Basal cells are columnar • Middle layers of polygonal cells • Scale like surface cells with flat nuclei • Keratin layer is absent on the surface of epithelium
- 8. • Stratified squamous keratinized Muhammad Ramzan Ul Rehman 8 epithelium: • Multiple layers of cells • Basal cells are columnar • Middle layers of polygonal cells • Flat surface cells • Keratin layer is present on the surface and cells on surface don’t show nucleus
- 9. Muhammad Ramzan Ul Rehman 9 • transitional epithelium: • multiple layers of cells • pear shaped cells in the middle • dome shaped cells on the surface
- 10. Muhammad Ramzan Ul Rehman 10 • loose areolar connective tissue • almost all connective tissue cells are present • all connective tissue fibers are present • fibers are loosely arranged
- 11. • Muhammad Ramzan Ul Rehman • 11 • adipose connective tissue: • fat cells showing signet ring appearance • each cell having a large fat globule and marginal nucleus
- 12. Muhammad Ramzan Ul Rehman 12 • dense regular connective tissue: • densely packed collagen fibers running parallel to each other • fibroblast are present between the bundles of collagen fibers
- 13. Muhammad Ramzan Ul Rehman 13 • dense irregular connective tissue: • densely packed collagen fiber arranged irregularly in different directions • fibroblast are present between the bundles of collagen fibers
- 14. Muhammad Ramzan Ul Rehman 14 • Hyaline non-articular cartilage: • Perichondrium present • Glassy (homogenous) ground substance • Chondrocytes making isogenous groups
- 15. Muhammad Ramzan Ul Rehman 15 • Elastic cartilage: • Perichondrium present • Branching Elastic fibers present • Scattered chondrocytes are present singly or as pairs
- 16. Muhammad Ramzan Ul Rehman 16 • Fibrocartilage: • Perichondrium absent • Thick type I collagen fibers are present in the matrix • Chondrocytes arranged in rows
- 17. Muhammad Ramzan Ul Rehman 17 • Compact bone: • Characteristic lamellae of bone matrix • Haversian and Volkmann’s canals are present • Osteocytes in lacunae • Haversian system present
- 18. Muhammad Ramzan Ul Rehman 18 • Skeletal muscle: • Well marked Cross striations • Non branching Cylindrical fibers • Many sub-sarcolemmal flat nuclei • endomysium and perimysium present
- 19. • Muhammad Ramzan Ul Rehman • 19 • cardiac muscle: • Cross striations present • Branching fibers • Intercalated disc-present • 1-2 oval central nuclei
- 20. Muhammad Ramzan Ul Rehman 20 • muscular artery • Tunica intima, media and adventitia are present • tunica media is thick smooth muscle layer • Internal and external elastic lamina are present • Patent lumen
- 21. Muhammad Ramzan Ul Rehman 21 • muscular vein: • Thin walled with larger irregular lumen • Tunica intima, media and adventitia are present • Thick tunica media is thin smooth muscle layer • Adventitia is thicker than tunica media
- 22. Muhammad Ramzan Ul Rehman 22 • Elastic artery: • Tunica media contain 30-40 layers of elastic fibers. • Smooth muscle is less abundant • External elastic lamina is not well marked
- 23. Muhammad Ramzan Ul Rehman 23 • Lymph node: • Connective tissue capsule • Cortex and medulla is present • Lymph nodules are only situated in the cortex and have no central arterioles
- 24. Muhammad Ramzan Ul Rehman 24 • spleen: • Peritoneal covering (serosa) • Red and white pulp • No differentiation into cortex and medulla • Splenic nodules with central arteriole
- 25. Muhammad Ramzan Ul Rehman 25 • palatine tonsil: • Tonsillar crypts lined by Stratified squamous non-keratinized epithelium • No lymph sinuses • Lymph nodules are arranged in rows
- 26. Muhammad Ramzan Ul Rehman 26 • thymus: • Characteristic lobules with cortex and medulla • Hassall’s corpuscles • No lymph sinuses
- 27. Muhammad Ramzan Ul Rehman 27 • dorsal root ganglion: • Connective tissue capsule present • Pseudounipola r neurons surrounded by satellite cells
- 28. Muhammad Ramzan Ul Rehman 28 • thin skin or Hairy skin • Epidermis and dermis • Stratified squamous keratinized epithelium with thin layer of keratin on surface • Dermal papillae • Hair roots and hair follicles- present • Sebaceous glands are present
- 29. Muhammad Ramzan Ul Rehman 29 • thin skin or Hairy skin • Epidermis and dermis • Stratified squamous keratinized epithelium with thin layer of keratin on surface • Dermal papillae • Hair roots and hair follicles- present • Sebaceous glands are present
- 30. Muhammad Ramzan Ul Rehman 30 • Thick skin or Non hairy skin • Epidermis and dermis • Stratified squamous keratinized epithelium is present with thick layer of keratin on surface • Dermal papillae • Hair roots and hair follicles-absent
- 31. Muhammad Ramzan Ul Rehman 31 • spinal cord: • Central canal is present • Inner butterfly shaped arrangement of grey matter • Multipolar neurons in the anterior horn • Outer white matter
- 32. Muhammad Ramzan Ul Rehman 32 • Cerebellum: • Outer grey matter having 3 layers (molecular layer, Purkinje cell layer, granular layer) • Inner white matter
- 33. Muhammad Ramzan Ul Rehman 33 • Cerebrum: • Outer grey matter having six layers • Pyramidal cells • Inner white matter
- 34. Muhammad Ramzan Ul Rehman 34 • dorsal root ganglion: • Connective tissue capsule present • Pseudounipolar neurons surrounded by satellite cells
- 35. Muhammad Ramzan Ul Rehman 35 Blood • Typical RBCs are present • Presence of other Blood cells like leucocytes and Monocytes and etc.
- 36. Muhammad Ramzan Ul Rehman 36 • peripheral nerve: • Bundle of fibers • Myelin sheah is seen as unstained area • Endoneurium, perineurium is visible
- 37. Muhammad Ramzan Ul Rehman 37 • peripheral nerve: • Bundle of fibers • Myelin sheah is seen as unstained area • Endoneurium, perineurium is visible
- 38. Muhammad Ramzan Ul Rehman 38 • peripheral nerve: • Bundle of fibers • Myelin sheah is seen as unstained area • Endoneurium, perineurium is visible
- 39. Wish you Good Luck. Muhammad Ramzan UL Rehman Nishtar medical college Multan Muhammad Ramzan Ul Rehman 39