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Anatomy 5
connective tissue
| Term | Definition |
|---|---|
| loose connective tissue | loosely woven fibers throughout tissues |
| What are the 3 types of fibers? | elastic, collagen, reticular fibers |
| adipose tissue | large fat droplet (no space), beneath the skin -padding |
| reticular tissue | network of fibers (mainly reticular) -holds organs together |
| dense connective tissue | more fibers but fewer cells |
| dense regular connective tissue | collagen fibers are parallel with fibroblast, no blood vessels -forms tendons |
| dense irregular connective tissue | collagen fibers are irregular (interwoven) with few fibroblasts -white of eye and skin |
| elastic connective tissue | elastin fibers and fibroblasts, stretches and then goes back -lung tissue, arteries, and vocal cords |
| cartilage | dense network of collagen fibers and elastic fibers embedded in chondroitin sulfate, can endure stress |
| chondrocytes | cartilage cells can be found in spaces called lacunae -no blood vessels or nerves |
| hyaline cartilage | white rubbery substance, chondrocytes - provides flexibility and support(the majority of cartilage) - reduces joint friction, also called articular |
| fibrocartilage | toughest type, has chondrocytes -intervertebral discs |
| elastic cartilage | maintains shape after deformations, strong and elastic -ear, nose, vocal chords |
| chondrocytes | no longer divides and produces matrix, mature -lives in the lacunae |
| chondroblasts | undergo division, produce matrix, inmature |
| interstitial growth | cartilage growth from within from chondroblasts -during childhood a nd adolescence |
| appositional growth | growth at outer surface, chondroblasts secrete matrix onto surface (when older) |
| bone tissue | called osseous tissue (2 types: spongy and compact) - stores minerals |
| spongy bone | sponge like with spaces and trabeculae (solid portion) -no osteons (cellular organization) |
| compact bone | solid, basic unit of structure is osteon (harversian system) |
| periosteum | outside of the bone, paired with compact bone |
| red bone marrow | blood cell production |
| yellow bone marrow | fat |
| lamellae | rings of osteon |
| canaliculi | ting black conceals that connect back to the cell to get rid of waste and receive fuel |
| blood connective tissue | made of liquid matrix (plasma), red blood cells (erythrocytes), white blood (leukocytes), and cell fragments/platelets (thrombocytes) |
| lymph connective tissue | liquid, more plasma than proteins -supplies fluid, returns things to circulation |
| membranes | pliable tissues that line and cover part of the body (epithelial tissue, except synovial membranes) |
| mucus membrane | lines body cavities that opens to outside - on areolar connective tissue |
| serous membranes | lines body cavities that doesn't open to the outside -on areolar connective tissue |
| cutaneous membrane | covers outside of body |
| synovial membrane | CONNECTIVE lines joint cavities of all freely moveable joints |
Created by:
bellai
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