A Simple Key For anatomy human heart Unveiled

A Simple Key For anatomy human heart Unveiled

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Catabolism is the method by which greater much more elaborate substances are damaged down into smaller sized more simple molecules. Catabolism releases Electrical power. The elaborate molecules present in foods are broken down so the body can use their sections to assemble the structures and substances wanted for all times.

amino acid – a protein’s monomer; features a central carbon or alpha carbon to which an amino team, a carboxyl group, a hydrogen, and an R group or side chain is connected; the R group differs for all 20 typical amino acids.

corpus cavernosum – possibly of two columns of erectile tissue from the penis that fill with blood all through an erection.

anticodon – consecutive sequence of three nucleotides over a tRNA molecule that is definitely complementary to a selected codon on an mRNA molecule.

cupula – specialised framework inside the base of the semicircular canal that bends the stereocilia of hair cells when The pinnacle rotates Through the relative motion in the enclosed fluid.

blood–testis barrier – restricted junctions between Sertoli cells that prevent bloodborne pathogens from gaining use of later phases of spermatogenesis and stop the possible for an autoimmune response to haploid sperm.

arrector pili – sleek muscle mass that may be activated in reaction to external stimuli that pull on hair follicles and make the hair “stand up”.

coracoid method – brief, hook-like method that projects anteriorly and laterally within the remarkable margin of your scapula.

angiotensin I – protein made by the enzymatic motion of renin on angiotensinogen; inactive precursor of angiotensin II.

synthetic pacemaker – healthcare unit that here transmits electrical alerts on the heart to make certain that it contracts and pumps blood on the body.

axon phase – one extend with the axon insulated by myelin and bounded by nodes of Ranvier at possibly close (apart from the initial, which is once the Preliminary section, and the final, which happens to be accompanied by the axon terminal).

arachnoid trabeculae read more – filaments amongst the arachnoid and pia mater in the subarachnoid House.

anterior – describes the front or direction toward the entrance of the body; also often called ventral.

axon terminal – stop of the axon, where by there tend to be many branches extending towards the concentrate on mobile.