anatomy human heart for Dummies
anatomy human heart for Dummies
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arteriovenous anastomosis – quick vessel connecting an arteriole on to a venule and bypassing the capillary beds.
cardiac notch – depression inside the medial surface area from the inferior lobe of the left lung where by the apex with the heart is found.
atrioventricular bundle branches – (also, remaining or correct bundle branches) specialised myocardial conductile cells that come up through the bifurcation from the atrioventricular bundle and go through the interventricular septum; bring about the Purkinje fibres as well as to the proper papillary muscle by using the moderator band.
atmospheric stress – level of force that's exerted by gases in the air surrounding any provided surface.
axillary artery – continuation of the subclavian artery since it penetrates the body wall and enters the axillary location; provides blood into the area near The top of your humerus (humeral circumflex arteries); nearly all of the vessel continues in the brachium and results in being the brachial artery.
DNA polymerase – enzyme that functions in incorporating new nucleotides to your developing strand of DNA for the duration of DNA replication.
Bainbridge reflex – (also, termed atrial reflex) autonomic reflex that responds to stretch receptors during the atria that mail impulses towards the cardioaccelerator spot to raise HR when venous flow in to the atria improves.
bicipital groove – intertubercular groove; narrow groove Situated concerning the larger and lesser tubercles of your humerus.
carotid sinuses – little pockets close to the foundation of The inner carotid arteries which have been the destinations from the baroreceptors and chemoreceptors that cause a reflex that aids within the regulation of vascular homeostasis.
ascending pathway – fibre construction that relays sensory information and facts from the periphery with the spinal wire and Mind stem to other constructions of your Mind.
Boyle’s regulation – marriage in between quantity and force as explained through the components: P1V1 = P2V2.
corneal reflex – protective response to stimulation read more with the cornea creating contraction of the orbicularis oculi muscle mass leading to blinking of the attention.
axon – one strategy of the neuron that carries an electrical sign (action possible) far from the cell body toward a goal cell.
typical carotid artery – suitable common carotid artery arises from the brachiocephalic artery, along with the remaining typical carotid arises with the aortic arch; gives rise for the exterior and inside carotid arteries; materials the respective sides of The pinnacle and more info neck.