PPT-Electrical Activity of Gastrointestinal Smooth Muscle

The GI smooth muscle acts as a functional syncytium Characteristic features of the basic electrical activity of GIT amp its relation to smooth muscle contractile activity under physiologic conditions. Muscles. Summation of Contractions. Figure 12-17a. Summation of Contractions. Figure 12-17b. Summation of Contractions. Figure 12-17c. Summation of Contractions. Figure 12-17d. Motor Units. Figure 12-18. Excitation - Contraction. Mike Clark, M.D.. Smooth Muscle. Found in walls of most hollow organs. (except heart). Usually in two layers (longitudinal and circular). Figure 9.26. Small. intestine. (a). Dr. . Ayisha. . Qureshi. . MBBS, MPhil. Assistant Professor. CLASSIFICATION OF SMOOTH MUSCLES. UNITARY/ SINGLE UNIT/SYNCYTIAL/VISCERAL. Muscles of visceral organs .e.g. GIT, uterus, ureters & some of the smaller blood vessels.. Atherosclerosis. Aneurysms and Dissection. By: . Shefaa. ’ . Alqa’qa. ’, MD. Arteriosclerosis. Arteriosclerosis. literally means “hardening of the arteries”; it is a generic term for arterial wall thickening and loss of elasticity. There are three general patterns, with different clinical and pathologic consequences:. Anson Lowe - Course . Director. Alway. . Bldg., M-207. E-mail: . lowe@stanford.edu. A basic understanding of the overall organization of the gastrointestinal system. An understanding of how the different gastrointestinal organs are regulated and coordinated with each other . Prerequisites. : Biology 101, 102, 103, 104. or Biology 115 w/lab. There is a quantitative lab (BMEG 236) intended for engineering majors. . It is taught by Dr. . Yuxin. Liu. Office hours:. Dr. Sue . (PHG 222). by. ADEJARE, A. A.. Department of Physiology. Faculty of Basic Medical Sciences. College of Medicine. University of Lagos. OUTLINE. General organization/functional anatomy of the GIT . Review of smooth muscle function. matt.velkey@duke.edu. 452A Davison, Duke South. Muscle Tissue. I. Striated Muscle - regularly arranged contractile units. A. Skeletal Muscle - long, cylindrical multinucleated cells with peripherally placed nuclei. Contraction is typically quick and vigorous and under voluntary control. Used for locomotion, mastication, and phonation.. soft tissue. found in most animals. . Muscle cells. contain . protein. filaments of . actin. and . myosin. that slide past one another, producing a . contraction. that changes both the length and the shape of the cell. Muscles function to produce force and . ECTIVE SCIENCES September 30, 2016 Authored by: Dr. Sylvain Delplanque Goosebumps measurement Psychophysiology and measures of pilo - erection in humans 1 Goosebumps measurement | 9/30/2016 Goosebu Article o rldJOURNAL (20 04) 4 (S1 ) , 128 – 134 ISSN 1537-7 44X ; DOI 10 .1100/ts w . 2 004.58 Physiology of Penile Erection Ahmed I. El-Sakka, M.D. and Tom F. Lue, M.D. Department of Urolog 1 Main function: The GIT provides the body with asupply of water, nutrients, electrolytes, vitamines. 1) Digestion of the food2) Absorption of the products of digestion Ad 1) Digestive processes: me A basic understanding of the overall organization of the gastrointestinal system. An understanding of how the different gastrointestinal organs are regulated and coordinated with each other Overview; Zahiri. . Cardiovascular System. Consists of:. Blood vessels. Lymphatic vessels. Heart. . Blood vessels . Arteries:. transport blood away from heart. Veins:. drain . microvascular. beds, . returnining.