Cartilage

27
CONNECTIVE TISSUE WITH SPECIAL PROPERTIES ADIPOSE RETICULAR PIGMENTED

description

Histology Notes

Transcript of Cartilage

Page 1: Cartilage

CONNECTIVE TISSUE WITH SPECIAL PROPERTIES

ADIPOSE RETICULAR PIGMENTED

Page 2: Cartilage

ADIPOSE TISSUE

• LOOSE C.T.• ADIPOSE CELLS• SIGNET RING POLY HYDERAL• CENTRAL DROPLET VIMENTIN• BASAL LAMINA• YELLOW & BROWN FAT• ENERGY STORAGE TRIGLYCERIDES

Page 3: Cartilage
Page 4: Cartilage

YELLOW FAT BROWN FAT

• ADULTS• WHITE YELLOW• UNILOCULAR• SIGNET RING ADIPOCYTE• VASCULARIZED

• EMBRYO INTERSCAPULAR & INGUINAL

• BROWN• MULTILOCULAR• NUCLEUS ECCENTRIC• MITOCHONDRIA

CYTOCHROME OXIDASE• INCREASED

VASCULRATIRY & INNERVATION

Page 5: Cartilage
Page 6: Cartilage

ELASTIC CONNECTIVE TISSUE

• YELLOW ELASTIC • LIGAMENTS OF VERTEBRAL

COLUMN ELASTIC ARTERY• BUNDLES OF ELASTIC FIBERS• FIBROBLAST

Page 7: Cartilage
Page 8: Cartilage

RETICUALR CONNECTIVE TISSUE

• RETICULAR CELLS & FIBERS• THREE DIMENSIONAL SPONGY

NETWORK• PROCESSES OVERLAP FIBERS• RETICULAR FRAMEWORK OF

HAEMOPOIETIC & LYMPHOID ORGANS

Page 9: Cartilage
Page 10: Cartilage

CARTILAGE

Page 11: Cartilage

CARTILAGE

LOAD BEARINGAVASCULAR C.T.

CELLS HIGHLY SPECIALIZED MATRIX

Page 12: Cartilage

CLASSIFICATION

• HYALINEARTICULAR NONARTICULAR

• ELASTIC• FIBROUS

Page 13: Cartilage

HYALINE NON ARTICULAR CARTILAGE

• BLUISH HOMOGENOUS GLASSY• SOLID FIRM & RESILIENT • PERCHONDRIUM• CHONDROCYTES• MATRIX

FIBERS & GROUND SUBSTANCE

Page 14: Cartilage

PERICHONDRIUM

• FIBROUS LAYERDENSE IRREGULAR C.TFIBROBLAST BLOOD VESSELS NERVES & LYMPH VESSELS

• CELLULAR LAYERCOLLAGEN FIBERS CHONDROGENIC CELLS

• ESSENTIAL FOR GROWTH & MAINTENANCE

Page 15: Cartilage
Page 16: Cartilage

CELLS

• CHONDROGENIC STEM CELLS FIBROBLAST

• CHONDRBLAST FIBERS & GROUND SUBSTANCE

• CHONDRO CYTEISOGENOUS GROUPLACUNAE

Page 17: Cartilage

FIBERS

• COLLAEGEN• TYPE II, IX, X,XI• NOT VISIBLE UNDER THE LIGHT

MICROSCOPE • THINNER FIBRIL• REFRACTIVE INDEX• 64 nm PERIODICITY

Page 18: Cartilage

GROUND SUBSTANCE

• BASOPHILIC MORE MARKED AROUND ISOGENOUS GROUPS

• TERRITORIAL & INTERTERITORIAL MATRIX• FIRM HIGHLY HYDRATED • PROTEOGLYCAN

CHONDROITIN & KERATAN SO4 (PROTEOGLYCAN)

HYALURONIC ACID

• GLYCOPROTEINS CHONDROCYTE & MATRIX • ANCHARIN TENASCIN FIBRONECTIN

• RESILIENCE DIFFUSIONSHOCK ABSORBER

Page 19: Cartilage
Page 20: Cartilage
Page 21: Cartilage

LOCATION

• EMBRYONIC SKELETON• LARGER RESPIRATORY PASSAGES• LARYNGEAL CARTILAGES• COSTAL CARTILAGE • EPIPHYSEAL PLATE

Page 22: Cartilage

HYALINE ARTICULAR CARTILAGE

• ARTICULAR SURFACE OF BONES• NO PERICHONDRIUM• ZONE I

• CELLS ARE FLAT // TO SURFACE• // COLLAGEN FIBERS

• ZONE II• CELLS LARGE ROUNDED SINGLY / GROUPS• FIBERS ARE OBLIQUE

• ZONE III • CELLS IN VERTICAL COLUMN

• ZONE IV CALCIFIED MATRIX

Page 23: Cartilage
Page 24: Cartilage

ELASTIC CARTILAGE

• EXTERNAL EAR, AUDITORY TUBE, LARYNX

• HYALINE NON ARTICULAR CARTILAGE

• YELLOWISH• ELASTIC FIBER

Page 25: Cartilage
Page 26: Cartilage

FIBROCARTILAGE

• INTERVERTEBRAL DISC FIBROCARTILAGE

• NO PERICHONDRIUM • ACIDOPHILIC• BUNDLES OF TYPE I COLLAGEN

FBERS REGULAR & IRREGULAR WITH GROUPS OF CHONDROCYTE

Page 27: Cartilage