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A&P 1
(1) Connective tissues
| Question | Answer |
|---|---|
| Connective tissue is | the most abundant tissue in the body |
| connective tissue location | internal framework |
| general functions of connective tissue | support, attachment, protection, movement, storage, transport |
| What 2 components make up the extracellular matrix | ground substance and protein fibers |
| ground substance is made of | interstitial fluid, adhesion proteins, proteoglycans |
| types of protein fibers | collagenous fibers, reticular fibers, elastic fibers |
| what do collagenous fibers look like | long, thin, wavy, white bands |
| what do reticular fibers support | soft tissues (glands, membranes) |
| what do elastic fibers look like | long, thin, yellow, wire like and branching |
| fibroblasts | cell that produces and maintains connective tissue |
| what 3 things do fibroblasts form | fibers, adhesion proteins, and proteoglycans |
| what helps to control the viscosity of the ground substance | proteoglycans |
| True or False: connective tissue has good blood and nerve supply | true |
| 4 types of connective tissue | mesenchyme, blood, loose connective tissues (ground substance dominates), dense (fibers dominate) |
| what is mesenchyme | embryonic connective tissue made of migratory, branching, amoeboid stem cells |
| blood is generated by | red bone marrow |
| types of loose connective tissues (ground substance dominates) | areolar, adipose (fat), reticular |
| areolar (packing peanuts) | unorganized sheets of filler tissue |
| adipose (fat) | contains cells (adipocytes) that are filled with fat (triglyceride) |
| reticular loose connective tissue | provides support for basement membranes, glands, bone marrow, organs of lymphatic system. it forms a netting to support these soft organs |
| types of dense connective tissues (fibers dominate) | dense irregular, dense regular, elastic |
| dense irregular | forms most of the dermis, cover and segments muscles and forms capsules around organs (deep fascia) |
| dense regular | 1. collagenous fibers arranged in parallel bundles 2. forms tendons (connect muscle to bone) and ligaments (connects bone to bone) |
| elastic tissue location | in walls of blood vessels and lungs |
| which fiber adds the most strength to connective tissues | collagenous fibers |
| which fiber is short and branching, and useful for supporting soft tissues | reticular fibers |
| which 2 fibers are made of collagen | collagenous, reticular |
| which type of connective tissue has a liquid extracellular matrix for transport | blood |
| the specific type of fats stored in adipocytes is known as | triglycerides |
| surrounds muscles as deep fascia | dense irregular |
| forms tendons and ligaments | dense regular |
| tissue used for energy storage and insulation | adipose |
| carries nutrients throughout the body | blood |
| a "filler" tissue | areolar |
| forms the majority of the dermis of the skin | dense irregular |
| allows for stretch in lungs and blood vessels | elastic |
| differentiates into all of the other forms of connective tissue and muscle | mesenchyme |
| which fiber is the most common | collagen |
| true or false: mesenchyme can differentiate into all muscle and connective tissues | true |
| what is mesenchyme found around | blood vessels |
| where is areolar tissue present | upper dermis, subcutaneous, in certain membranes, surrounds blood vessels/nerves/ducts |
| adipose functions | energy storage, insulation, protection |
| true or false: dense irregular can withstand tension in many directions | true |
| true or false: dense regular can withstand tension in many directions | false |
Created by:
katiew0