Tissue Level of Oganization

A group of similar cells that function together to carry out specialized activities and usually have a common embryonic origin.

The science that deals with the study of tissues.

A physician who specializes in laboratory studies of cells and tissues to help other physicians make accurate diagnoses.

Covers body surfaces and lines hollow organs, body cavities, and ducts.

Binds organs together, stores energy, and participates in body defense.

Tissue that forms glands.

Bind organs together, store energy reserves as fat, and help provide immunity against disease-causing organisms.

Generates the physical force needed to make body structures move and generates body heat.

Detects changes in a variety of conditions inside and outside the body and responds by generating nerve impulses that activate muscular contractions and glandular secretions.

Type of cell that moves freely through the body, searching for invaders.

Epithelial cells and some muscle and nerve cells are tightly joined into functional untis by points of contact between their plasma membranes.

Consists of cells arranged in continuous sheets, in either single or multiple layers.

Excellent protective barrier for body surfaces, or can provide a mechanism for separating and isolating substances within the body.

Surface of an epithelial cell that faces the body surface, a body cavity, or the lumen (interior space) of a hollow organ or duct.

Surface of epithelial cell that may contain cilia or microvilli.