Quiz 3 Flashcards
Range in types of tissue
Hard (bone)
Semisolid (fat)
Liquid (blood)
Group of cells that are the same and work together
Tissue
Study of the microscopic anatomy of cells and tissue
Histology
4 basic tissues
- epithelial
- connective
- muscular
- nervous
Used to line surfaces and form protective barriers
Epithelium
Named according to the shape of their cells, and the arrangement of their layers
Epithelia
Shapes
- squamous
- cuboidal
- columnar
Flat, wide “paving stone” cells
Squamous
Cells as tall as they are wide
Cuboidal
Cells taller than they are wide
Columnar
Most abundant and widely distributed tissues in the body
Connective tissue
Main protein of connective tissue, most abundant protein in the body
Collagen
Stuff outside cell; protein fibers
Extracellular matrix
Common connective tissue cells
- chondrocytes
- adipocytes
- osteocytes
Chondrocytes
Make cartilaginous connective tissue
Adipocytes
Store triglycerides
Osteocytes
Make bone
3 common fibers C.T. Cells secrete
- collagen (strength)
- elastin (stretch)
- reticular (internal framework)