BMS 507 Study Guide - Midterm Guide: Stratified Squamous Epithelium, Adipose Tissue, Cell Membrane
Document Summary
Epithelial tissue - covers exposed surfaces, lines internal passageways and chambers, produces glandular secretions. Connective tissue - fills internal spaces, provides structural support, stores energy. Collagen, elastin fibers, ground substance (fluid in connective tissue) Adipose tissue (high in energy stores) subcutaneous fat (hypodermis of. Muscle tissue - contracts to provide movement integumentary) 3 major types: skeletal (striated) cardiac (striated with intercalated discs involuntary), smooth (non-striated involuntary) Nervous tissue - propagates electrical impulses, carried information. Keratinised skin falls off every 2 weeks; smooth muscle helps maximize absorption. Tight junction - water tight, keeps enzymes/acids/waste in lumen of. Adhesion belt (cam) - link opposing plasma membranes terminate. Gap junctions - allow rapid communication (small ions/ molecules) Merocrine secretion - released by secretory vesicles (exocytosis) Holocrine secretion - released by cells burstin killing glan cells, replaced by stem cells. Loose connective tissue - more ground substance, fewer fiber (less collagen) Dense connective tissue - more ribers, less ground substance.
