NURS 301 Study Guide - Comprehensive Final Exam Guide - Connective Tissue, Muscle, Gastrointestinal Tract
Document Summary
Mass of similar cells and their products with a particular function. Histology: study of cells and tissues using a microscope. Different types of tissues are classified by what their cells do and the surrounding extracellular material = matrix. Nutrients from tissues with blood vessels and glucose diffuse to epithelium. Cell polarity, a free surface (apical) and the attachment surface (basal) Basal - where the cells are attached to underlining tissue. Consist of one or more cells that secrete particular substances. Endocrine glands: secrete directly into interstitial fluids; secretion of hormones. Exocrine glands: secrete into ducts that open on to surfaces (e. g. on to skin or into lumen of a hallow organ); secretions include mucus, sweat, oil, wax, and digestive enzymes. Uses duct to secrete to body surface or cavity. Classified by cells secrete their substances, type of secretion, and structure of gland cells and duct. Types of secretions: serous (watery) fluid, mucous, mixture.
