The Ultimate Guide To human anatomy & physiology

atrioventricular valves – one-way valves Situated among the atria and ventricles; the valve on the best is known as the tricuspid valve, and the just one to the left will be the mitral or bicuspid valve.

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coronary arteries – branches in the ascending aorta that offer blood to your heart; the still left coronary artery feeds the left aspect of the heart, the remaining atrium and ventricle, along with the interventricular septum; the right coronary artery feeds the best atrium, parts of equally ventricles, as well as heart conduction system.

hypertension – force exerted by the blood against the wall of the vessel or heart chamber; may be explained With all the much more generic time period hydrostatic force.

amacrine cell – type of mobile while in the retina that connects for the bipolar cells close to the outer synaptic layer and offers The idea for early graphic processing in the retina.

cauda equina – bundle of spinal nerve roots that descend from your lower spinal cord under the very first lumbar vertebra and lie within the vertebral cavity; has the looks of a horse’s tail.

Mind – the large organ on the central nervous process composed of white and grey make a difference, contained inside the cranium and continual Along with the check here spinal wire.

Bachmann’s bundle – (also, interatrial band) team of specialised conducting cells that transmit the impulse directly from the SA node in the best atrium towards the left atrium.

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

brachial vein – further vein on the arm that sorts from your radial and ulnar veins inside the lessen arm; contributes to the axillary vein.

blood colloidal osmotic pressure (BCOP) – force exerted by colloids suspended in blood inside a vessel; a primary determinant may be the existence of plasma proteins.

carbaminohemoglobin – compound of carbon dioxide and haemoglobin, and one of the ways in which carbon dioxide is carried within the blood.

abducens nerve – sixth cranial nerve; to blame for contraction of on the list of extraocular muscles.

coronoid fossa – melancholy around the anterior surface with the humerus above the trochlea; this space receives the coronoid process of the ulna when the elbow is maximally flexed.

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