Connective Tissue

•Support

•Bind

•Help 

            <sup>–Insulate

            –Protect

            –Transport</sup>

matrix:

<sub>–Non-living separating the living cells

–Usually has 2-3 fibers</sub>

•<sub>Collagenous

•Elastic

•Reticular</sub>

•Cell present (determined by tissue function)

Widely distributed; found under skin, around organs, between muscles

Wraps and cushions organs

Found under skin, around kidneys and heart

• Functions in energy storage and insulation; cushioning for
• organs

Found in tendons and ligaments

Forms strong bands that attach bone to muscle or bone to bone

• Found in rings of respiratory air tubes, external ear, tip of nose

• Provides flexible support; cushions

Found in the skeleton

Functions in support, protection (by enclosing organs), and movement

• Found within blood vessels

• Transports nutrients, gases, hormones, wastes; fights infections

AREOLAR CONNECTIVE TISSUE

• 1.) Mast Cell
• 2.) Elastic Fiber
• 3.) Collagen Fiber

Also seen Fibroblast (small light colored dots)

Matrix: collagen fibers and elastic fibers

RETICULAR TISSUE

• 1.) RETICULAR FIBER
• 2.) RETICULAR CELL

Matrix: Reticular fibers

ADIPOSE TISSUE

• 1.)NUCLEUS 0F ADIPOCYTE
• 2.) LIPID (FAT)

DENSE CONNECTIVE (WHITE FIBROUS) TISSUE

• 1.) NUCLEI   (OF FIBROBLASTS) 
• 2.) COLLAGEN FIBERS

Matrix: collagen fibers

HYALINE CARTILAGE

• 1.) LACUNAE
• 2.) NUCLEUS OF A CHONDROCYTE
• 3.) MATRIX solid block of collagen

ELASTIC CARTILAGE

• 1) LACUNAE
• 2) NUCLEUS OF CHONDROCYTE
• 3)ELASTIC FIBERS
• 4) MATRIX Elastic fiber and Solid collagen

COMPACT BONE

• 1)HAVERSIAN CANAL
• 2) OSTEOCYTE IN LACUNA
• 3)HAVERSIAN SYSTEM (OSTEON)
• 4) REMNANT OF OLD HAVERSIAN SYSTEM

Matrix: mineralized collagen

BLOOD

• 1) Red blood cell (ERYTHROCYTE)
• 2) White blood cell (LEUCOCYTE )
• 3) THROMBOCYTES

Matrix: PLASMA