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Anatomy Exam 1
ch 4 pt2
Terms in this set (19)
How do epithelial tissues differ from connective tissues in the arrangement of the cells in each tissue ?
epithelial tissues contain lots of cells of similar type closely packed together into sheets w. little extracellular matrix. Connective tissues contain fewer cells of various types separated from each other by extensive extra cellular material
Distinguish the matrix of a connective tissue from the ground substance
The matrix of a connective tissue is composed of both ground substance and fibers. The ground substance is commonly a gel- like material that functions to hold fluid
Which structural element of connective tissue resists tension? Which resists compression ? which allows for recoil? which element produces the matrix ?
collagen fibers in connective tissues resist tension; the ground substance resists compression; and the elastic fibers allow for recoil. the blast cells (fibroblasts, chondroblasts, osteoblasts) initially produce the tissue matrix. Once the tissue is formed, the fibrocytes, chondrocytes, and osteocytes can secrete matrix components to keep the matrix intact and healthy
How does loose connective tissue differ from dense connective tissue ?
the fibers of loose connective tissues are separated from eachother by ground substance. in dense connective tissue, the fibers are closely packed together
Which type of connective tissue forms the following structures: ligaments and tendons; the hypodermis of the skin; the tissue that underlies epithelia; lymph nodes ?
ligaments and tendons are formed from dense regular connective tissue. the hypodermis is composed of adipose and loose areolar connective tissue. The connective tissue that underlies epithelia is loose areolar connective tissue. Reticular connective tissue contribute to the structure of lymph nodes.
Which connective tissues contain collagen fibers ?
Collagen fibers are found in loose areolar, adipose, dense regular, and irregular connective tissue; hyaline cartilage, elastic cartilage and fibrocartilage; and bone
In which connective tissues are the cells located in lacunae?
cells are located in lacunae in both cartilage and bone tissues
Which component of cartilage tissue functions to resist compressive forces ?
in cartilage, impressive forces are resisted by the gel like ground substance
Loose Areolar CT
collagen fibers, elastic fibers, reticular fibers
Dense Irregular CT
the muscle tissue that is striated is
cardiac and skeletal muscle
which of the following cells are not found in a connective tissue ?
the ground substance in connective tissue proper functions to
hold tissue fluid
Which nerve cells function to transmit electrical impulses ?
neurons function to transmit electrical impulses
Distinguish between the terms striated and stratified. Which tissues are striated? Which tissues at stratified ?
"striated" means "striped" and refers specifically to muscle tissue. Cardiac muscle and skeletal muscle are striated muscle tissue. "Stratified" means "layered" and is used in reference to epithelial tissues: stratified squamous, stratified cuboidal, and stratified columnar epithelia
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