A Simple Key For anatomy human heart Unveiled
A Simple Key For anatomy human heart Unveiled
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arteriovenous anastomosis – limited vessel connecting an arteriole straight to a venule and bypassing the capillary beds.
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atrioventricular bundle branches – (also, remaining or suitable bundle branches) specialised myocardial conductile cells that arise from the bifurcation from the atrioventricular bundle and pass through the interventricular septum; result in the Purkinje fibres in addition to to the correct papillary muscle mass via the moderator band.
acrosome – cap-like vesicle located with the anterior-most region of the sperm which is wealthy with lysosomal enzymes able to digesting the protecting levels surrounding the oocyte.
Interactive Url See this animation To find out more about metabolic procedures. Which organs in the body very likely execute anabolic processes? What about catabolic procedures?
Metabolism Anabolic reactions are making reactions, and they consume Electrical power. Catabolic reactions break products down and release Strength. Metabolism includes equally anabolic and catabolic reactions.
anatomical position – typical reference posture used for describing spots and Instructions within the human body.
cavernous sinus – here enlarged vein that receives blood from most of the other cerebral veins as well as eye socket, and brings about the petrosal sinus.
atrioventricular bundle – (also, bundle of His) group of specialised myocardial conductile cells that transmit the impulse from your AV node from the interventricular septum; form the still left and appropriate atrioventricular bundle branches.
cervical curve – posteriorly concave curvature in the cervical vertebral column area; a secondary curve of your vertebral column.
direct pathway – connections in the check here basal nuclei through the striatum into the globus pallidus inner section and substantia nigra pars reticulata that disinhibit the thalamus to extend cortical Charge of movement.
aldosterone – hormone generated and secreted because of the adrenal cortex that stimulates sodium and fluid retention and raises blood quantity and blood pressure.
deep femoral vein – drains blood with the deeper portions of your thigh and leads to the femoral vein.
complete refractory period of time – time during an motion period of time when A different action likely cannot be created as the voltage-gated Na+ channel is inactivated.