KAAP309 Lecture Notes - Lecture 4: Elastic Cartilage, Dermis, Granulation Tissue

• School: University of Delaware
• Department: Kinesiology & Appl Physiology
• Course: KAAP309
• Professor: Rose William

Document Summary

Two types: stratified: multicellular, simple: single cell layer, squamous, cuboidal, columnar, glandular. Simple squamous epithelium: single layer of cells (air sacs of lungs, kidney glomeruli, lining of heart, blood vessels, and lymphatic vessels, lining of ventral body cavity (serosae)) Simple cuboidal epithelium: single layer of cubelike cells (kidney tubules, ducts and secretory portions of small glands; ovary surface) Simple columnar epithelium: single layer of tall cells (nonciliated lining of digestive tract, gallbladder, uterine tubes, bronchi) Pseudostratified columnar epithelium: single layer of cells of differing heights, some not reaching the free surface (trachea, upper respiratory tract) stratified squamous epithelium: several layers of cuboidal or columnar cells (esophagus, mouth, vagina, skin) Transitional epithelium: resembles both stratified squamous and stratified cuboidal (ureters, bladder, urethra) Special characteristics: polarity, sidedness; apical (microvilli), basal specialized contacts on the sides: tight junctions, desmosomes, supported by connective tissue: basal lamina (noncellular) and reticular connective tissue below avascular, innerted, high regeneration rate.