PPT-Epithelium Kristine Krafts, M.D.

Epithelium Lecture Objectives Describe the structural and functional relationship between epithelium and connective tissue and epithelium and basal lamina Describe the structural and functional features of epithelial intercellular junctions and specializations of the apical surface of epithelial cells. Kinocilia. . Simple Columnar Epithelium with . Kinocilia. . (higher magnification). Pseudostratified. Columnar Epithelium with . Stereocilia. . Heart Defects Kristine and Cora McCormick Kristine Brite McCormick had a healthy pregnancy and gave birth to her daughter, Cora, on November 30, 2009. Kristine and her husband soon brought baby Prepared by : Reem Aldossari. Lab 2. ZOO 103. Structure . closely packed cells . Specialized. to cover external surfaces or line internal cavities.. Epithelial cells are packed tightly together, with almost . Study of cells, tissues and organs as seen with the help of microscope. Study . Histology. Often called . Microscopic Anatomy. Greek word – . . Histos. = tissue. . Logia. =science/study. Cells work together in functionally related groups called tissues. Functions of the alimentary mucosa:. 1. . Barrier function: . The mucosa serves as a barrier to the entry of noxious substances, antigens, and pathogenic organisms.. 2. . . Immunologic function. : . Lymphatic tissue in the mucosa serves as a first line of defense of the body by the immune system.. THE STUDY OF TISSUES. Four Major . TissueTypes. Epithelial Tissue. Muscle Tissue. …..more tissues….. Nervous Tissue. Covers surfaces of body and forms glands. Very little matrix- mostly cells. Some types have one free surface and one attached surface (to a basement membrane). Pamela BL. The excretory passages for the urine for each kidney are the major and minor calyces, renal pelvis, the ureter, the urinary bladder(where the urine is temporarily stored), and the urethra.. Dr Iram Tassaduq. INTRODUCTION. The respiratory system consists of paired lungs and a series of air passages that lead to and from the lungs. PORTIONS OF RESPIRATORY SYSTEM. Air passages of respiratory system consist of two portions. . Glandular . epithelium . Prepared by: Reem Aldossari. a gland may consist of . one cell or a group of cells. highly specialized to secrete substances into ducts, onto surfaces, or into the blood.. Membrane epithelium becomes glandular epithelium when it . invaginates. / involutes into . the . tissue layer / layers below, forming a . gland. There are . two main types of gland. . They are . exocrine and endocrine. Lab 2. ZOO 103. Structure . They are c. losely packed cells.. . Specialized. to cover external surfaces. . or line internal cavities.. Epithelial cells are packed tightly . together, with almost . Eleventh Edition. Chapter 24. The Digestive . System. Clicker Questions. Your molars are most useful for _____.. crushing and grinding a tough pizza. shredding meat off a bone. nipping the end of a carrot. VIBS 289 lab. . . Larry Johnson Texas A&M University. Epithelium - function. Epithelium. forms the . outer protective surface . of the body and . all the glands. The most beautiful thing we can experience is the mysterious. . It is the source of all true art and science.. -Albert Einstein. Blood Lecture Objectives. Be able to identify and describe the major function(s) of the following: .