human anatomy definition Secrets

human anatomy definition Secrets

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ampulla – during the ear, the structure at the base of a semicircular canal which contains the hair cells and cupula for transduction of rotational movement of The pinnacle.

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 hooked up; the R group is different for all 20 common amino acids.

coracoclavicular ligament – robust band of connective tissue that anchors the coracoid technique of the scapula to your lateral clavicle; gives critical oblique aid with the acromioclavicular joint.

cleavage furrow – contractile ring that varieties all over a mobile in the course of cytokinesis that pinches the mobile into two halves.

cranial – describes a situation over or bigger than A different Component of the body correct; also known as remarkable.

DNA polymerase – enzyme that features in including new nucleotides into a escalating strand of DNA through DNA replication.

capitate – with the lateral aspect, the third of your four distal carpal bones; articulates Together with the scaphoid and lunate proximally, the trapezoid laterally, the hamate medially, and principally Along with the third metacarpal distally.

bicipital groove – intertubercular groove; slender groove located among the higher and lesser tubercles of the humerus.

atrioventricular bundle – (also, bundle of His) team of specialised myocardial conductile cells that transmit the impulse from your AV node throughout the interventricular septum; variety the remaining and appropriate atrioventricular bundle branches.

antigen presentation – binding of processed antigen towards the protein-binding cleft of A significant histocompatibility complex molecule.

continual capillary – commonest kind of capillary, read more present in nearly all tissues except epithelia and cartilage; incorporates very modest gaps in the endothelial lining that allow Trade.

astrocyte – star-shaped cell inside the central anxious method that regulates ions and uptake and/or breakdown of some neurotransmitters human anatomy and physiology definition and contributes towards the formation in the blood-brain barrier.

alkaloid – material, usually from a plant supply, which is chemically fundamental with respect to pH and may stimulate bitter receptors.

carbonic anhydrase (CA) – enzyme that catalyses the reaction that triggers carbon dioxide and drinking water to type carbonic acid.