Pseudostratified v Type of simple epith v Confined

  • Slides: 17
Download presentation
Pseudostratified v Type of simple epith. v Confined to resp. System v All cells

Pseudostratified v Type of simple epith. v Confined to resp. System v All cells resting on the basement membrane v 2 types ciliated & non ciliated v Associated with goblet cell

Keratinized stratified epith. in skin

Keratinized stratified epith. in skin

Transitional epith • Special type of stratified epith • Present in the urinary system

Transitional epith • Special type of stratified epith • Present in the urinary system • 10 layers in empty bladder • 2 -3 layers in fully bladder

Goblet cell • Unicellular gland • Exocrine , merocrine • Mucus secreting Most common

Goblet cell • Unicellular gland • Exocrine , merocrine • Mucus secreting Most common in Respiratory & GIT

Sebaceous gland

Sebaceous gland

Neuroepith • In special sense organ • Function sensation

Neuroepith • In special sense organ • Function sensation

Germinal epith • In testis & ovary • Function Reproduction

Germinal epith • In testis & ovary • Function Reproduction

Desmosomes • Adhering junction • Called desmosomes = Macula adherans • Keratin intermediate filament

Desmosomes • Adhering junction • Called desmosomes = Macula adherans • Keratin intermediate filament attached to it

Loose Areolar CT • All CT fibers specially Collagen • All cells specially Fibroblast

Loose Areolar CT • All CT fibers specially Collagen • All cells specially Fibroblast & macrophages • Highly vascular • Under the epith

Reticular CT • Not stained with H&E • Stained brawn with silver • In

Reticular CT • Not stained with H&E • Stained brawn with silver • In highly cellular organs

Mast cell • Free cells • Metachromatic staining • Secrete histamine & heparin

Mast cell • Free cells • Metachromatic staining • Secrete histamine & heparin

Plasma cell • • • - Activated B – lymphocytes Produce antibodies Basophilic cytoplasm

Plasma cell • • • - Activated B – lymphocytes Produce antibodies Basophilic cytoplasm - ve golgi image By EM protein secreting cell

EM: Plasma Cell

EM: Plasma Cell

Eosinophils • Differential count 1 -4% • 12 - 15 Micron • Increase with

Eosinophils • Differential count 1 -4% • 12 - 15 Micron • Increase with allergy & parasitic infection

Monocytes • Largest blood cell 20 micron • Differential count 3 -8 % •

Monocytes • Largest blood cell 20 micron • Differential count 3 -8 % • It is macrophages in the tissue • Function phagocytosis

Lymphocytes

Lymphocytes

Platelets

Platelets