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Tissues

QuestionAnswer
tissue Groups of related cells working together
main tissue types connective, nervous, epithelial, and muscle
Connective Tissue In general, the most common cells found in connective tissue are fibroblasts, which produce fibers and other substances
collagen and elastic provide strength and flexibility in connective tissue
Loose Connective Tissue Loose connective tissue fills the spaces between muscle fibers, surrounds blood and lymph vessels, and is present in the lining membranes of the peritoneal, pleural, and cardiac cavities
Dense Connective Tissue Dense connective tissue contains relatively few cells but have many more collagen fibers. Dense connective tissue is divided into two sub-categories: dense irregular connective tissue and dense regular connective tissue.
Dense irregular connective tissue which includes skin, has bundles of relatively randomly ordered collagen fibers
dense regular connective tissue have a defined orientation; fibers running the same direction are what give the tissue its strength.
Specialized Connective Tissues Includes cartilage, bone, and blood
Metabolism Adipose tissue, or fat, is a connective tissue that plays a part in the storage, absorption, and disposal of nutrients, vitamins, minerals, and other substances. surrounding internal organs, within other structures, such as bone marrow and breast tissue.
Healing healing is done by connective tissue. To protect the body against infection, platelets are carried by your blood to the wound. Platelets build up and form a temporary covering called a scab. Then fibroblasts produce collagen, which seals the skin
Support Tendons, ligaments, bones, and cartilage provide structural support for your organ systems. Bone tissue is unique from other connective tissues because the outer layer calcifies. Bone tissue is continually formed and resorbed.
Cartilage made of collagen and elastic fibers, which create a dense connective tissue that fills the spaces between bones and acts as a cushion when we move. The nose and ears also have cartilage. There are three primary types of cartilage
Hyaline the most abundant type of cartliage and the weakest. It is found in the ears, nose, and at the end of long bones.
Elastic cartilage that maintains shape
Fibrous cartilage that is the strongest and is found in the pelvis, skull, and vertebral discs
Nervous Tissue The brain, spinal cord, and nerves are made of nervous tissue, the most complex tissue in the body. Its function is to transfer electrical impulses throughout the body.
central nervous system divided into the brain and the spinal cord.
peripheral nervous system comprised of all the other nervous tissue in the body, which act as a conduit between the central nervous system and the body.
neurons designed to transmit electrical impulses from one site in the body to another, and to receive and process information.
neuroglia provide physical support, electrical insulation, and metabolic exchange with the vascular system.
Epithelial Tissue tissue is made up of closely packed cells that are arranged in one or more layers
avascular meaning it has no blood vessels. Epithelial cells are continually growing to replenish older or damaged ones through mitosis.
simple epithelial tissue single layer of cells
stratified epithelium has two or more layers of cells.
Squamous Epithelial tissue with flattened cells which look like cobblestones.
Cuboidal Epithelial tissue with sugar cube shaped cells.
Columnar Epithelial tissue with cells in the shapes of columns and may have cilia for sensory perception in locations like the lining of the nose.
Muscle Tissue Muscle tissue is a specialized tissue that can contract in response to an electrical stimulus sent from the central nervous system, which enables the movement of the body when the muscles are attached to bone.
Three types of muscle tissue smooth, skeletal, and cardiac.
voluntary muscles under our conscious control
involuntary muscle not under our conscious control
Created by: Bethb1969
 

 



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