01:119:115 Chapter Notes - Chapter 40: Sarcolemma, Smooth Muscle Tissue, Glycogen
30 Jan 2014
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Invertebrate epithelium: forms cuticle outer covering, secrete lubricants, adhesives, odors for communication, toxins for defense, corals and mollusks: calcium carbonate, earthworm: secretes lubricating mucus for locomotion. Vertebrate epithelium: epidermis: outer layer of skin, waterproof, mature as they move out, produce keratin, stratum bassale: deepest. Appendicular skeleton: bones and limbs, pectoral girdle, pelvic girdle: pectoral girdle, clavicles: collarbones, scapula: shoulder blades, pelvic girdle: loosely attached to vertebral column but muscles. Yellow: consist mainly of fatty connective tissue. Red: produce blood cells: compact bone: outer shell, dense and hard. Lies primarily near the surface of the bone, provides strength. Consist of osteon: interlocking spindle-shaped units: within: osteocytes (bone cells), lucanae (cavities, lucanae arranged in haversian canals: concentric circles. Spongy bone: interior, provides mechanical strength: consists of a network of thin strands of cone. Joints: junctions between two or more bones: facilitate flexibility and movement. Reduces friction during movement and absorbs shock. **rheumatoid arthritis: synovial membrane thickens and becomes inflamed**
