anastomosis – (plural = anastomoses) spot where by vessels unite to permit blood to circulate whether or not there might be partial blockage in An additional department.

amino acid – a protein’s monomer; has a central carbon or alpha carbon to which an amino group, a carboxyl group, a hydrogen, and an R team or facet chain is hooked up; the R group differs for all 20 popular amino acids.

blood circulation – motion of blood through a vessel, tissue, or organ that is frequently expressed with regards to quantity per unit of time.

motion opportunity – change in voltage of the cell membrane in response to some stimulus that leads to transmission of the electrical sign; distinctive to neurons and muscle fibres.

cupula – specialised structure throughout the foundation of a semicircular canal that bends the stereocilia of hair cells when the head rotates Through the relative movement on the enclosed fluid.

anterior cavity – much larger body cavity Found anterior to your posterior (dorsal) body cavity; consists of the serous membrane-lined pleural cavities for your lungs, pericardial read more cavity for that heart, and peritoneal cavity for that abdominal and pelvic organs; also often called ventral cavity.

arrector pili – sleek muscle that is activated in response to external stimuli that pull on hair follicles and make the hair “get up”.

coronoid strategy of the ulna – projecting bony lip Positioned about the anterior, proximal ulna; sorts the inferior margin of the trochlear notch.

carotid sinuses – smaller pockets close to the base of The inner carotid arteries which can be the areas on the baroreceptors and chemoreceptors that result in a reflex that aids within the regulation of vascular homeostasis.

synthetic pacemaker – healthcare gadget that transmits electrical indicators on the heart in order that it contracts and pumps blood to the body.

aortic hiatus – opening while more info in the diaphragm that permits passage of the thoracic aorta in the abdominal location where it becomes the abdominal aorta.

cardiac plexus – paired elaborate community of nerve fibres close to the base on the heart that get sympathetic and parasympathetic stimulations to control HR.

blood-Mind barrier (BBB) – physiological barrier involving the circulatory program and also the central nervous process that establishes a privileged blood offer, limiting the flow of substances into your CNS.

atrioventricular septum – cardiac septum Situated involving the atria and ventricles; atrioventricular valves can be found in this article.