Tissue 1
Tissue 1 : (Anat) An aggregation of similar or related cells that per-form a specific function in the body. Note: Tissues are divided into four classes: (1) epithelial, surface or lining tissues (commonly called skin) ; (2) connective, including blood, bone, and cartilage; (3) muscular; and (4) nervous. Sometimes vascular tissue (blood, lymph, and related body fluids) is separated from connective tissue and distinguished as a fifth class