Exploring Body Tissues and EpiThelial Tissues

  Anatomy Notes BODYTISSUES EPITHELIAL TISSUES & groups of cells with simi lar structure and function Locations : - Body coverings, B ody linings, Grandular tissue Foor primary types Epithelial tissue (Epithelium Functions :- protection, Absorbtion, filtration, Connective tissue secretion. muscle tissue EPITHEIIUM CHARACTERISTICS Nervous tissue Cells fit closely together and often formsheets Apical surface The apical Surface is the free surface of the tissue The lower surface of the epithelium rests on a ba sement mem brane SIMPIE Avascu our (no blood supply) Basal Regenerate easily if well nourished SIMPIEEPITHE LIA surface Apical quamous Simple Squamous surface Single layer of flat o cells STRATIFIED Cuboidal * Location- usually Forms membranes Basal surface * lines longs and capillaries & Function in diffusion, olumnar filtration, or secretion in membranes. Nucleus of Squamoos epithelial Cell Basement membrane Airsacs of lungs Diagram Simple Squamoos a SIMPIE EPITHEIIA Phomomicrograph : Simple squarrous simple cuboidal epitherial forming part of the aveolar (Airsac) walls (185*) -Single layer of cube like cells nucleiof squamous locations epithelial cells commoninglandsandtheir ducts connective - Forms wall of kidneytubules tissue Covers the overies simple coboidal function the secretion and absorbtion ; ciliated epithe lial cells types propel mocos or reproductive cells. Nucleusof Simple Basement cuboidal membrane epithelial 0211 Basement membrane Photomicrograph simple Diagram Simple Cuboidal Cubdidas epithelium in kidneytubules