angiotensin II – protein produced by the enzymatic action of ACE on inactive angiotensin I; actively will cause vasoconstriction and stimulates aldosterone release through the adrenal cortex.
bicuspid valve – (also, mitral valve or left atrioventricular valve) valve Found amongst the still left atrium and ventricle; contains two flaps of tissue.
ascending aorta – Preliminary part of the aorta, growing from your still left ventricle to get a distance of roughly 5 cm.
anticodon – consecutive sequence of 3 nucleotides over a tRNA molecule which is complementary to a selected codon on an mRNA molecule.
afterload – drive the ventricles need to produce to correctly pump blood in opposition to the resistance inside the vessels.
blood–testis barrier – limited junctions amongst Sertoli cells that avoid bloodborne pathogens from gaining usage of later levels of spermatogenesis and prevent the likely for an autoimmune reaction to haploid sperm.
atrioventricular (AV) node – clump of myocardial cells located in the inferior percentage of the ideal atrium throughout the atrioventricular septum; receives the impulse from your SA node, pauses, after which transmits it into specialised check here conducting cells inside the interventricular septum.
Bachmann’s bundle – (also, interatrial band) group of specialised conducting cells that transmit the impulse directly from the SA node in the right atrium on the left atrium.
cerebral cortex – outermost layer of grey subject within the Mind, the place acutely aware perception normally takes position.
This is the intriguing biology concepts which include different model of animals, crops, and humans. Below pupils will study intimately about the value of each and each organ of our body, how They may be correlated and how they purpose to help keep us alive and wholesome.
activation gate – A part of the read more voltage-gated Na+ channel that opens in the event the membrane voltage reaches threshold.
anterior spinal artery – blood vessel within the merged branches in the vertebral arteries that runs along the anterior floor on the spinal cord.
This text is anxious principally While using the gross composition as well as purpose with the skeleton of the conventional human adult.
Your body is coordinating the action of total muscle groups to let you go air into and out of one's lungs, to press blood in the course of your body, and also to propel the foods you may have eaten by your digestive tract. Consciously, obviously, you contract your skeletal muscles to move the bones of one's skeleton to obtain from one particular put to a different (since the runners are carrying out in Figure one.7), also to perform every one of the things to do of your respective way of life.