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Connective Tissues
3.5--Connective Tissues
| Term | Definition |
|---|---|
| CONNECTIVE TISSUE | BINDS TOGETHER, SUPPORTS, AND STRENGTHENES OTHER BODY TISSUES. PROTECTS AND INSULATES ORGANS. COMPARTMENTALIZES STRUCTURES. VASCULAR. ADIPOSE = ENERGY. IMMUNITY |
| EXTRACELLULAR MATRIX | CONTAINS PROTEIN FIBERS + GROUND SUBSTANCE. MATERIAL IN ECM DETERMINE'S CONNECTIVE TISSUE QUALITY |
| FIBROBLAST | FOUND IN LOOSE AND DENSE CONNECTIVE TISSUE; SECRETE ECM OF TISSUE |
| CHONDROBLAST | FOUND IN CARTILAGE |
| OSTEOBLASTS | FOUND IN BONE |
| TYPES OF CONNECTIVE TISSUE CELLS | INCLUDE EITHER: FIBROBLASTS, MACROPHAGES, PLASMA CELLS, MAST CELLS, ADIPOCYTES, WHITE BLOOD CELLS |
| COLLAGEN FIBERS | VERY STRONG AND RESIST PULLING FORCES (TENSION); NOT STIFF, ALLOW FLEXIBILITY |
| ELASTIC FIBERS | SMALLER THAN COLLAGEN; FORM FIBROUS NETWORK |
| RETICULAR FIBERS | FORM A BRANCHING NETWORK; SUPPORT AND STRENGTH (FOUND IN LOOSE CONNECTIVE TISSUE) |
| LOOSE CONNECTIVE TISSUE | AREOLAR CONNECTIVE TISSUE; LOOSELY ARRANGED; MORE ECM. ALL TYPES OF FIBERS. ALL TYPES OF CELLS |
| LCT--ADIPOSE TISSUE | FAT STORAGE |
| LCT--RETICULAR CONNECTIVE TISSUES | FINE INTERLACING NETWORK OF RETICULAR FIBERRS (THINNER COLLAGEN) AND RETICULAR CELLS |
| DENSE CONNECTIVE TISSUE | CONTAINS MORE FIBERS THAN LOOSE, THICKER AND MORE DENSELY PACKED. LESS CELLS THOUGH |
| DENSE REGULAR CONNECTIVE TISSUE | COLLAGEN ARRANGED IN BUNDLES WITH FIBROBLASTS PRESENT BETWEEN BUNDLES |
| DENSE IRREGULAR CONNECTIVE TISSUE | TIGHTLY PACKED, WOVEN MESH USUALLY IRREGULARLY ARRANGED |
| ELASTIC CONNECTIVE TISSUE | PRIMARILY ELASTIC FIBERS |
| CARTILAGE (ALSO BONE QUALITIES) | DENSE NETWORK OF COLLAGEN FIBERS AND ELASTIC FIBERS. MORE GEL-LIKE GROUND SUBST. MORE DURABLE; RESILIENCE. |
| CHONDROCYTES | MATURE CELLS OF CHONDROBLASTS. OCCUR IN LACUNAE |
| PERICHONDRIUM | COVERING OF DENSE IRREGULAR CONNECTIVE TISSUE AROUND CARTILAGE WHICH CONTAINS BLOOD VESSELS AND NERVES AND NEW CELLS |