The Single Best Strategy To Use For human anatomy

cardiac skeleton – (also, skeleton in the heart) reinforced connective tissue located in the atrioventricular septum; incorporates 4 rings that encompass the openings amongst the atria and ventricles, as well as the openings to your pulmonary trunk and aorta; The purpose of attachment for that heart valves.

continual conduction – gradual propagation of the action prospective alongside an unmyelinated axon owing to voltage-gated Na+ channels Situated together your complete duration from the cell membrane.

carotid canal – zig-zag tunnel providing passage with the base on the skull for the internal carotid artery into the Mind; starts anteromedial to your styloid process and terminates in the middle cranial cavity, near the posterior-lateral base of the sella turcica.

diploë – layer of spongy bone, that may be sandwiched among two the levels of compact bone present in flat bones.

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adrenal medulla – internal layer of the adrenal glands that plays a crucial position within the stress response by developing adrenaline and noradrenaline.

costal groove – shallow groove along the inferior margin of the rib that provides passage for blood vessels along with a nerve.

Anatomy and physiology the two are connected to the composition and working program click here of the human body. All residing organisms on earth are made up of cells, tissues, organs and organ systems.

aortic sinuses – modest pockets while in the ascending aorta near the aortic valve which have been the destinations of your baroreceptors (extend receptors) and chemoreceptors that trigger a reflex that aids from the regulation of vascular homeostasis.

acrosomal reaction – release of digestive enzymes by sperm that allows them to burrow with the corona radiata and penetrate the zona pellucida of the oocyte before fertilisation.

immediate pathway – connections throughout the basal nuclei within the striatum to your globus pallidus interior phase and substantia nigra pars reticulata that disinhibit the thalamus to boost cortical control of movement.

arterial circle – (also, circle of Willis) anastomosis Situated at The bottom with the Mind that guarantees continual blood provide; formed from branches of The interior carotid and vertebral arteries; provides blood to the brain.

abducens click here nerve – sixth cranial nerve; liable for contraction of among the extraocular muscles.

anterior longitudinal ligament – ligament that operates the duration of your vertebral column, uniting the anterior aspects of the vertebral bodies.

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