Rumored Buzz on human anatomy and physiology definition
Rumored Buzz on human anatomy and physiology definition
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cardiac skeleton – (also, skeleton with the heart) reinforced connective tissue Found inside the atrioventricular septum; involves 4 rings that encompass the openings amongst the atria and ventricles, and also the openings towards the pulmonary trunk and aorta; The purpose of attachment to the heart valves.
bicuspid valve – (also, mitral valve or still left atrioventricular valve) valve Found amongst the left atrium and ventricle; consists of two flaps of tissue.
bronchoconstriction – decrease in the size on the bronchiole resulting from contraction on the muscular wall.
central canal – longitudinal channel within the centre of each osteon; is made up of blood vessels, nerves, and lymphatic vessels; also known as the Haversian canal.
mobile membrane – membrane bordering all animal cells, made up of a lipid bilayer interspersed with a variety of molecules; often known as plasma membrane.
arachnoid granulation – out-pocket in the arachnoid membrane to the dural sinuses that permits for reabsorption of CSF to the blood.
carpal tunnel – passageway amongst the anterior forearm and hand fashioned with the carpal bones and flexor retinaculum.
dorsal – describes the again or way towards the back of the body; also referred to as posterior.
aortic sinuses – modest pockets in the ascending aorta read more near the aortic valve which have been the spots of the baroreceptors (extend receptors) and chemoreceptors that result in a reflex that aids while in the regulation of vascular homeostasis.
The link of the here ribs on the breastbone—the sternum—is in all conditions a secondary one particular, introduced about by the reasonably pliable rib (costal) cartilages. The small joints in between the ribs and also the vertebrae permit a gliding movement on the ribs about the vertebrae in the course of respiration together with other activities. The movement is limited through the ligamentous attachments involving ribs and vertebrae.
activation gate – Section of the voltage-gated Na+ channel that opens when the membrane voltage reaches threshold.
artery – blood vessel that conducts blood clear of the heart; may be a conducting or distributing vessel.
axillary vein – significant vein inside the axillary area; drains the upper limb and becomes the subclavian vein.
articular cartilage – slender layer of cartilage masking an epiphysis; cuts down friction and functions like a shock absorber.