Notes Flashcards
Tissue definition
Cells organized by similarity in a group
Histology definition
The study of tissues
4 major tissues
Epithelial, Connective, Muscle, and Nervous
What does epithelial tissues do?
Covers the body surface, organs, lining of body cavities, and hollow organs.
Basement membrane definition
A thin, non-living layer that anchors the epithelium
Epithelial tissues lack what?
blood vessels
Epithelial Tissue functions
Being a protective barrier, secretion, absorption, and excretion
Tissues are classified how?
shape and number of layers
Squamous characteristics
thin, flattened, irregularly-shaped cells
Cuboidal characteristics
cubelike cells
Columnar characteristics
elongated cells
Simple chararcteristics
single layer
Stratified characteristics
two or more layers
Connective Tissues provide what?
support and protection
Fibroblasts definition
most common fixed cell in connective tissues
- star shaped, and produce fibers