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20 Cards in this Set

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  • Back
What are the general characteristics of connective tissues?
bind structures, provide support and protection, serves as frameworks, fulls spaces, stores fat, produces blood cells, protects against infections, and helps repair tissue damage

cells have intercellular materials called matrix between them
What are the types of cells in connective tissues?


mast cells
What are fibroblasts?
large star shaped cells that produces fibers by secreting proteins into the matrix
What are macrophages?
specialized cells that carry on phagocytosis

they serve as scavangers
What are mast cells?
large cells that release heparin which prevents blood from clotting and histamine in response to inflamation and allergies
What are the types of connective tissue fibers?
collagenous fibers

elastic fibers

reticular fibers
What are collagenous fibers?
thick thread like fibers made from protein collagen

they are white in appearance and very strong
What are elastic fibers?
composed of thin fibers called elastin

they are yellow in appearance and stretch easily
What are reticular fibers?
very thin collagenous fibers that form supporting networks in a variety of tissues
What are the types of connective tissues?
loose fibrous connective tissue

adipose tissue

dense fibrous connective tissue

What is the loose fibrous connective tissue's function?
it forms thin membranes throughout the body

it binds the skin to the underlying organs and fills spaces between muscles
What is the adipose tissue's function and where is it found?
Function: it stores fat, cushions joints and organs such as the kidneys, provides insulation and stores energy

Found: beneath the skin, between muscles, around the kidneys in certain abdominal membranes on the surface of the heart, and around certain joints
What does the dense fibrous connective tissue include and where is it found?
Include: thick collagenous fibers and a fine network of elastic fibers. it has poor blood supply

Found: in tendons, ligaments, the white layer of the eye ball, and the dermis of the skin
What is cartilage and where is it found?
it is partly rigid and partly flexible

Found: at the end of various bones, in the ear, larynx and pads between the backbone, pelvic girdle, and knee
What are the types of cartilage in connective tissues?


What is hyaline cartilage?
most common type found on the end of bones (joints) and the tip of the nose
What is elastic cartilage?
more flexible, provides the framework for the external ears and part of the larynx
What is fibrocartilage?
very tough, it is often a shock absorber for structures subjected to pressure

they form pads between the backbone, knees, and pelvic girdle
What is a bone and what is it made of?
bone is an active tissue thhat heals rapidly

the intercellular matrix of bone contains mineral salts and collagen. its cells are usually organized in concentric circles around osteonic canals and are interconnected by canaliculi
What makes up blood and what is it's function?
it is composed of red cells, white cells, and platelets suspended in plasma. blood cells develop in red marrow in the hollow parts of long bones

Function: it transports substances and helps maintain a stable internal environment