histology slides with identification points 2nd yr mbbs nishtar by umer salman
DESCRIPTION
Nishtar Slides with Identification Points for 2nd Year MBBSTRANSCRIPT
2ND YEAR MBBSHISTOLOGY SLIDES WITH IDENTIFICATION POINTS
CREATED BY:
UMER SALMAN (N-61)NISHTAR MEDICAL COLLEGE, MULTAN.
SPECIAL THANKS TO MOHAMMAD NASIM ALAM (N-61)
APPENDIX
• Constant mucosal folds
• Ring of lymph nodules
• No taenia coli
• Fewer crypts
• Indistinct muscularis mucosa
COLON
• No villi
• Taenia coli
• Much more goblet cells
CORNEA
• Five layers can be identified
• Stratified squamous epithelium
• Homogenous Structureless Bownman’s membrane
• Substantia propria
• Desment’s Membrane
• Simple low cuboidal endothelium
No Blood Vessels present.
DUCTUS DEFERENS
• Irregular Convoluted single lumen
• Low columnar pseudostratified epithelium with stereocilia
• Very thick (3 layered) muscularis
DUODENUM
• Leaf-shaped villi with microvilli
• Brunner (submucous) glands
• Less number of goblet cells
EPIDIDYMUS
• Regular lumen
• Pseudostratified epithelium with stereocilia
• No fibromuscular stroma
• No fibrosa
ESOPHAGUS
Stratified squamous non keratinized epithelium
Thickest muscularis mucosa
Longitudinal Mucosal fold
Submucosal glands
Mixed skeletal and smooth muscles
GALL BLADDER
• Mucosal folds
• No muscularis mucosa
• Fibromuscular layer
• Perimuscular layer
• Absence of goblet cells and crypts of Liberkuhn
ILEUM
• Presence of Peyer’s patches
• Maximum goblet cells seen
• Presence Club shaped villi
JEJUNUM
• Club shaped or round villi with microvilli
• Tallest vulvulae
• More goblet cells
• No Brunner glands
KIDNEY
• Cortex contains glomeruli, convoluted tubules and medullary rays
• Medulla contains renal pyramid, loop of Henle and collecting tubule
LIP
• Dermal Papillae along the foldings
• Stratum Lucidium forming the Red Area of the lips (containing Blood vessels)
• Core of skeletal muscles
• Labial Salivary glands
LIVER
• Hepatic lobule with central vein
• Radiating plates of hepatocytes
• Hepatic sinusoids
LUNG
• Serosa
• Alveoli (lined by simple squamous epithelium)
• Bronchioles and bronchi
MAMMARY GLAND
• Developed Lactiferous ducts
• Alveoli of various shapes and sizes
• Alveoli full of (milk) secretions
OVARY
• Mesovarium
• Ovarian Follicles
• Cortex and Medulla
PANCREAS
• Pancreatic serious acini with obliterated lumen
• Islets of Langerham
PAROTID GLAND
• Serious Acini
• Interlobular ducts
• No serious demilunes
• Striated ducts
PENIS
• Corpus Cavernous
• Corpus spongiosus
• Deep artery of Penis
PINNA
• Elastic cartilage with perichondrium
• Stratified squamous keratinized epithelium
• Hair follicles
• Sweat glands, sebaceous glands
PITUITARY GLAND
• Anterior lobe – Cords of glandular cells separated by capillary sinusoids. Acidophils and basophils present.
• Posterior lobe – Nerve fibers with capillaries
• Pars intermedia – Colloids filled vesicles
PROSTATE GLAND
• Fibromuscular true capsule
• Prostatic acini (lined with simple columnar epithelium) with corpora amylacea
• Fibromuscular Stroma
• Prostatic urethra
RETINA
• 10 layers can be recognized
• Rods and cones
• Pigment epithelium
SEMINAL VESICLE
• Highly convoluted lumen with crypts and cavities
• Pseudostratified epithelium
• Thin Muscularis
STOMACH
• Gastric pit is prominent along the epithelium
• Long tubular glands in mucosa
• Dispersed smooth muscles in muscularis externa
SUBLINGUAL GLAND
• No capsule
• Mucous acini with few serious one
• Few serious demilunes
• No Intercalated ducts
SUBMANDIBULAR GLAND
• Mixed albeoli
• Many serious demilunes
• Shorter and narrower intercalated ducts
• Numerous intralobular ducts
SUPRARENAL GLAND
• Cortex and Medulla
• Pyramidal cells arranged in Rounded clusters – Called Glomerulus
• Three zones visible in cortex
• Glomerulosa
• Fasciculata
• Reticularis
TESTIS
• Tunica albuginea and tunica vasculosa
• Seminigerous tubules with spermatozoa
• Groups of Leydig cells
THYROID GLAND
• Characteristic follicles with pink colloid
• Very thin interfollicular stroma with parafollicular cells
• Numerous Capilaries
TONGUE
• Conical Shaped
• Lingual Papilla
• Muscularis-fasciculi of skeletal muscles
• Anterior lingual glands
• Lingual tonsil
TRACHEA
• Pseudostratified ciliated columnar epithelium
• C-shaped hyaline cartilage
• Trachealis muscle
• Tracheal glands
URETER
• Star Shaped small lumen
• Translational Epithelium
• No muscularis mucosa
• Inner longitudinal and outer circular smooth muscles
URINARY BLADDER
• Transitional epithelium
• Thick lamina propria
• Slide consists of a part of baldder wall so lumen is not evident
• Very thick (3 layered) Muscularis
• No glands, no submucosa
UTERINE TUBE
• Fimbria
• Mucosal folds lined by simple columnar ciliated epithelium
• Layered muscularis in isthmus
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
VAGINA
• Stratified squamous non-keratinized epithelium
• Very broad richly muscular lamina propria
• No Mucosal folds
• No submucosa
• No glands
• Thick muscular layer with very vascular interstitial connective tissue
THANK YOU