tissues: The living fabric
11th grade, 12th grade, College: First year, College: Second year
Group of cells that have similar structures and related functions
Tissues
4 Basic Type of Tissues
Epithelial-covering
Connective-support
Muscle-movement
Nervous-communcation
Study of Tissues
Hisology
Embryoninc is the formation
Primary Germ Layers
3 Different Primary Germ Layers
Ectoderm-superficial-skin
Mesoderm-middle-muscle
Endoderm-deep-lining of digestive system
Characteristics of Epithelial Tissue
Tightly packed cells forming sheets
Little to no intracellular space
High regeneration
Supported by CT basement membrane
Locations of Epithelial Tissues
Skin, membranes, lining of cavities
Forming glands of the body
2 Types of Classification of Epithelial
shape of the cell
number of layers
simple
stratified
one layer
many layers
squamous
cuboidal
colunmar
flattened
boxlike
tall and wide
single layer flattened cell
located in the nucle central
Simple Squamous Epithelium
Single boxlike cell
located at the nuclei central
Simple cubodial Epithelium