Epithelial Tissue

structural characteristics

Between cells, there is little or no intercellular space.

Cell junctions bind the cells together tightly.

Every epithelial tissue is polar.

Avascular means that it lacks blood vessels.

innervation - has nerves

connective tissue supports epithelial tissue

classification

squamous

cuboidal

The tissue is classified as simple or stratified depending on the number of layers. Pseudostratified, ciliated, and transitional are some of the subclassifications. Various macromolecules are produced and released by glandular epithelial cells.

columnar

functions

They perform a variety of functions that include.

protection

secretion

diffusion

absorption

excretion

filtration

filtration

receipt of sensory information