anatomy human heart for Dummies

anatomy human heart for Dummies

Blog Article

cardiac skeleton – (also, skeleton from the heart) bolstered connective tissue Situated inside the atrioventricular septum; features 4 rings that encompass the openings between the atria and ventricles, as well as the openings to the pulmonary trunk and aorta; The purpose of attachment for the heart valves.

diabetic issues mellitus – situation due to destruction or dysfunction on the beta cells from the pancreas or mobile resistance to insulin that leads to abnormally superior blood glucose concentrations.

dense connective tissue – connective tissue appropriate which contains many fibres that give each elasticity and security.

angiotensinogen – inactive protein during the circulation made by the liver; precursor of angiotensin I; must be modified with the enzymes renin and ACE to get activated.

cerebellum – location on the Grownup brain related primarily to the pons that made within the metencephalon (along with the pons) and is basically accountable for comparing information and facts through the cerebrum with sensory feedback from the periphery through the spinal cord.

coronary sinus – huge, slender-walled vein around the posterior surface area on the heart that lies in check here the atrioventricular sulcus and drains the heart myocardium specifically into the ideal atrium.

brain – the massive organ of the central anxious procedure composed of white and grey make any difference, contained in the cranium and ongoing Together with the spinal cord.

ampulla – (with the uterine tube) Center portion of the uterine tube through which fertilisation often occurs

prevalent hepatic artery – branch on the celiac trunk that varieties the hepatic artery, the right gastric artery, plus the cystic artery.

autorhythmicity – potential of cardiac muscle mass to initiate its own electrical impulse that triggers the mechanical contraction that pumps blood at a fixed speed without nervous or endocrine Handle.

class switching – skill of B cells to alter the course of antibody they make without the need get more info of altering the specificity for antigen.

anaphylactic shock – type of shock that follows a intense allergic reaction and final results from significant vasodilation.

anatomical lifeless space – air Place current in the airway that hardly ever reaches the alveoli and for that reason never ever participates in gasoline exchange.

articular cartilage – thin layer of cartilage covering an epiphysis; lowers friction and functions for a shock absorber.