Histology slides with Identification Points 2nd yr mbbs Nishtar by Umer Salman


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Nishtar Slides with Identification Points for 2nd Year MBBS

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Histology slides with Identification Points 2nd yr mbbs Nishtar by Umer Salman

  2. 2. APPENDIX• Constant mucosal folds• Ring of lymph nodules• No taenia coli• Fewer crypts• Indistinct muscularis mucosa
  3. 3. COLON• No villi• Taenia coli• Much more goblet cells
  4. 4. CORNEA• Five layers can be identified• Stratified squamous epithelium• Homogenous Structureless Bownman’smembrane• Substantia propria• Desment’s Membrane• Simple low cuboidal endotheliumNo Blood Vessels present.
  5. 5. DUCTUS DEFERENS• Irregular Convoluted single lumen• Low columnar pseudostratified epitheliumwith stereocilia• Very thick (3 layered) muscularis
  6. 6. DUODENUM• Leaf-shaped villi with microvilli• Brunner (submucous) glands• Less number of goblet cells
  7. 7. EPIDIDYMUS• Regular lumen• Pseudostratified epithelium with stereocilia• No fibromuscular stroma• No fibrosa
  8. 8. ESOPHAGUSStratified squamous non keratinizedepitheliumThickest muscularis mucosaLongitudinal Mucosal foldSubmucosal glandsMixed skeletal and smooth muscles
  9. 9. GALL BLADDER• Mucosal folds• No muscularis mucosa• Fibromuscular layer• Perimuscular layer• Absence of goblet cells and crypts ofLiberkuhn
  10. 10. ILEUM• Presence of Peyer’s patches• Maximum goblet cells seen• Presence Club shaped villi
  11. 11. JEJUNUM• Club shaped or round villi with microvilli• Tallest vulvulae• More goblet cells• No Brunner glands
  12. 12. KIDNEY• Cortex contains glomeruli, convolutedtubules and medullary rays• Medulla contains renal pyramid, loop ofHenle and collecting tubule
  13. 13. LIP• Dermal Papillae along the foldings• Stratum Lucidium forming the Red Area ofthe lips (containing Blood vessels)• Core of skeletal muscles• Labial Salivary glands
  14. 14. LIVER• Hepatic lobule with central vein• Radiating plates of hepatocytes• Hepatic sinusoids
  15. 15. LUNG• Serosa• Alveoli (lined by simple squamousepithelium)• Bronchioles and bronchi
  16. 16. MAMMARY GLAND• Developed Lactiferous ducts• Alveoli of various shapes and sizes• Alveoli full of (milk) secretions
  17. 17. OVARY• Mesovarium• Ovarian Follicles• Cortex and Medulla
  18. 18. PANCREAS• Pancreatic serious acini with obliteratedlumen• Islets of Langerham
  19. 19. PAROTID GLAND• Serious Acini• Interlobular ducts• No serious demilunes• Striated ducts
  20. 20. PENIS• Corpus Cavernous• Corpus spongiosus• Deep artery of Penis
  21. 21. PINNA• Elastic cartilage with perichondrium• Stratified squamous keratinizedepithelium• Hair follicles• Sweat glands, sebaceous glands
  22. 22. PITUITARY GLAND• Anterior lobe – Cords of glandular cellsseparated by capillary sinusoids.Acidophils and basophils present.• Posterior lobe – Nerve fibers withcapillaries• Pars intermedia – Colloids filled vesicles
  23. 23. PROSTATE GLAND• Fibromuscular true capsule• Prostatic acini (lined with simple columnarepithelium) with corpora amylacea• Fibromuscular Stroma• Prostatic urethra
  24. 24. RETINA• 10 layers can be recognized• Rods and cones• Pigment epithelium
  25. 25. SEMINAL VESICLE• Highly convoluted lumen with crypts andcavities• Pseudostratified epithelium• Thin Muscularis
  26. 26. STOMACH• Gastric pit is prominent along the epithelium• Long tubular glands in mucosa• Dispersed smooth muscles in muscularis externa
  27. 27. SUBLINGUAL GLAND• No capsule• Mucous acini with few serious one• Few serious demilunes• No Intercalated ducts
  28. 28. SUBMANDIBULAR GLAND• Mixed albeoli• Many serious demilunes• Shorter and narrower intercalated ducts• Numerous intralobular ducts
  29. 29. SUPRARENAL GLAND• Cortex and Medulla• Pyramidal cells arranged in Roundedclusters – Called Glomerulus• Three zones visible in cortex• Glomerulosa• Fasciculata• Reticularis
  30. 30. TESTIS• Tunica albuginea and tunica vasculosa• Seminigerous tubules with spermatozoa• Groups of Leydig cells
  31. 31. THYROID GLAND• Characteristic follicles with pink colloid• Very thin interfollicular stroma withparafollicular cells• Numerous Capilaries
  32. 32. TONGUE• Conical Shaped• Lingual Papilla• Muscularis-fasciculi of skeletal muscles• Anterior lingual glands• Lingual tonsil
  33. 33. TRACHEA• Pseudostratified ciliated columnar epithelium• C-shaped hyaline cartilage• Trachealis muscle• Tracheal glands
  34. 34. URETER• Star Shaped small lumen• Translational Epithelium• No muscularis mucosa• Inner longitudinal and outer circularsmooth muscles
  35. 35. URINARY BLADDER• Transitional epithelium• Thick lamina propria• Slide consists of a part of baldder wall solumen is not evident• Very thick (3 layered) Muscularis• No glands, no submucosa
  36. 36. UTERINE TUBE• Fimbria• Mucosal folds lined by simple columnarciliated epithelium• Layered muscularis in isthmus
  37. 37. UTERUS• Simple columnar epithelium (partially ciliated)• Very Broad lamina propria• Uterine glands in lamina propria• No submucosa• Very thick muscularis• Only one stage of menstrual cycle is evident
  38. 38. VAGINA• Stratified squamous non-keratinizedepithelium• Very broad richly muscular lamina propria• No Mucosal folds• No submucosa• No glands• Thick muscular layer with very vascularinterstitial connective tissue
  39. 39. THANK YOU