Connective 1. Loose (areolar, adipose, reticular) 2. Dense (dense irregular, white fibrous) 3. Cartilage (hyaline, elastic, fibrocartilage) 4. Bone 5. Blood 6. Mesenchyme Functions A. Support B. Connecting parts C. Storage (calcium, energy) D. Protection (skull, ribs, kidneys) E. Movement (muscle attachments) F. Blood formation and transport 1.28
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Connective 1.Loose (areolar, adipose, reticular) 2. Dense (dense irregular, white fibrous) 3. Cartilage (hyaline, elastic, fibrocartilage) 4. Bone 5. Blood.
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Description: Red and whiteblood cells in a fluid matrix(plasma).
Function: Transport ofrespiratory gases, nutrients,wastes, and other substances.
Location: Contained withinblood vessels.
Photomicrograph: Smear of human blood (1860x); twowhite blood cells (neutrophil in upper left and lymphocytein lower right) are seen surrounded by red blood cells.
Description: Primarily parallelcollagen fibers; a few elastic fibers;major cell type is the fibroblast.
Function: Attaches muscles tobones or to muscles; attaches bonesto bones; withstands great tensilestress when pulling force is appliedin one direction.
Location: Tendons, mostligaments, aponeuroses.
Photomicrograph: Dense regular connectivetissue from a tendon (500x).
Description: Dense regularconnective tissue containing a highproportion of elastic fibers.
Function: Allows recoil of tissuefollowing stretching; maintainspulsatile flow of blood througharteries; aids passive recoil of lungsfollowing inspiration.
Location: Walls of large arteries;within certain ligaments associatedwith the vertebral column; within thewalls of the bronchial tubes.
Elastic fibers
Aorta
HeartPhotomicrograph: Elastic connective tissue inthe wall of the aorta (250x).
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Clicker Question: Which of the following statements regarding connective tissue are true?
1. The 3 main components of connective tissue are: ground substance, fibers and proteoglycans.2. All connective tissue has a good blood supply.3. Collagen fibers provide a lot of strength within connective tissue.4. Connective tissue can have a nerve supply.