Acquired Immunodeficiency Syndrome(AIDS)

HIV AIDS symptoms Table of Contents What is HIV and AIDS symptoms |AIDS definition ,pathogenesis of HIV What is AIDS? Since the initial recognition of AIDS in the United States in 1981, tremendous advances have taken place in the understanding of this dreaded disease as regards its epidemiology, etiology, immunology, pathogenesis, clinical features and morphologic […]

Heart cycle

Cardiac cycle

The Heart cycle is defined as the sequence of coordinatedΒ phases taking place in the heart during each beat.Β  The heart cycle is also denoted as the Cardiac cycle. Each heart beat consists of two major periods called systole( contraction) and diastole ( relaxation).

Myasthenia gravis

Ptosis

Myasthenia gravis Table of Contents What is myasthenia gravis?Β  Myasthenia term means ” muscular weakness ” and gravis implies serious. Myasthenia gravis is an organ-specific autoimmune disease. ) caused by antibodies to acetylcholine receptors in the post-junctional membrane of the neuromuscular junction. Which result in blockage of neuromuscular transmission and complement-mediated inflammatory response reduces the […]