circle of Willis – (also, arterial circle) anastomosis Situated at The bottom on the Mind that makes sure continual blood offer; formed from branches of The interior carotid and vertebral arteries; supplies blood to your brain.
amino acid – a protein’s monomer; includes a central carbon or alpha carbon to which an amino group, a carboxyl group, a hydrogen, and an R team or facet chain is attached; the R group is different for all twenty typical amino acids.
bronchial bud – structure during the building embryo that forms in the event the laryngotracheal bud extends and branches to type two bulbous structures.
atmospheric force – degree of power that is certainly exerted by gases in the air surrounding any presented area.
acetabulum – big, cup-shaped cavity Situated to the lateral facet of the hip bone; shaped by the junction with the ilium, pubis, and ischium portions of your hip bone.
anterior cavity – larger body cavity Found anterior for the posterior (dorsal) body cavity; incorporates the serous membrane-lined pleural cavities for the lungs, pericardial cavity with the heart, and peritoneal cavity for your abdominal and pelvic organs; also called ventral cavity.
anatomical place – conventional reference place useful for describing destinations and Instructions on the human body.
deep femoral artery – branch of your femoral artery; offers increase towards the lateral circumflex arteries.
angiotensin I – protein produced by the enzymatic motion of renin on more info angiotensinogen; inactive precursor of angiotensin II.
autorhythmicity – capability of cardiac muscle mass to initiate its personal electrical impulse that triggers the mechanical contraction that pumps blood at a hard and fast rate without anxious or endocrine Management.
aortic hiatus – opening in the diaphragm that permits passage on the thoracic aorta in to the abdominal location where it will check here become the abdominal aorta.
anterior speaking artery – anastomosis of the appropriate and still left interior carotid arteries; supplies blood to your brain.
anatomical lifeless Place – air Room present during the airway that never ever reaches the alveoli and thus in no way participates in fuel exchange.
axon terminal – finish on the axon, where by there are generally various branches extending toward the focus on cell.