Question

. Define and classify different types of tissues. Give location & function of different connective

tissue​

Answer 1

Epithelial tissues act as coverings controlling the movement of materials across the surface. Connective tissue integrates the various parts of the body and provides support and protection to organs. Muscle tissue allows the body to move. Nervous tissues propagate information.

Areolar (loose) connective tissue. Loose array of random fibers with a wide variety of cell types Nourishes and cushions epithelia, provides arena for immune defense against infection, binds organs together, allows passage for nerves and blood vessels through other tissues Under all epithelia; outer coverings of blood vessels, nerves, esophagus, and other organs; fascia between muscles; pleural and pericardial sacs

Adipose tissue (fat). Large fat-filled adipocytes and scanty extracellular matrix. Stores energy, conserves body heat, cushions and protects many organs, fills space, shapes body Beneath skin; around kidneys, heart, and eyes; breast; abdominal membranes (mesenteries)

Dense irregular connective tissue. Densely spaced, randomly arranged fibers and fibroblasts. Toughness; protects organs from injury; provides protective capsules around many organs Dermis of skin; capsules around liver, spleen, and other organs; fibrous sheath around bones

Dense regular connective tissue. Densely spaced, parallel collagen fibers and fibroblasts. Binds bones together and attaches muscle to bone; transfers force from muscle to bone Tendons and ligaments

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