A Simple Key For anatomy human heart Unveiled

anastomosis – (plural = anastomoses) region wherever vessels unite to allow blood to flow into even though there might be partial blockage in An additional branch.

ongoing conduction – slow propagation of an motion possible along an unmyelinated axon owing to voltage-gated Na+ channels Situated together the whole length in the cell membrane.

bronchial bud – composition within the producing embryo that forms if the laryngotracheal bud extends and branches to kind two bulbous buildings.

cervical enlargement – location from the ventral (anterior) horn with the spinal cord that includes a greater populace of motor neurons to the higher quantity of and finer Charge of muscles of your higher limb.

amacrine mobile – kind of cell within the retina that connects for the bipolar cells near the outer synaptic layer and presents the basis for early image processing inside the retina.

coronary sinus – massive, slender-walled vein over the posterior surface on the heart that lies in the atrioventricular sulcus and drains the get more info heart myocardium specifically into the ideal atrium.

Mind – the massive organ of the central anxious system composed of white and grey matter, contained within the cranium and continuous Along with the spinal cord.

deep femoral artery – department on the femoral artery; provides rise to the lateral circumflex arteries.

aortic sinuses – compact pockets while in the ascending aorta near the aortic valve which are the places with the baroreceptors (stretch receptors) and chemoreceptors that result in a reflex that aids during the regulation of vascular homeostasis.

descending tract check here – central anxious system fibres carrying motor commands with the Mind for the spinal twine or periphery.

acromion – flattened bony method that extends laterally through the scapular spine to form the bony tip of the shoulder.

cardiac plexus – paired advanced community of nerve fibres close to the foundation from the heart that receive sympathetic and parasympathetic stimulations to manage HR.

descending aorta – part of the aorta that continues downward earlier the top in the aortic arch; subdivided in to the thoracic aorta and also the abdominal aorta.

abduction – motion from the coronal plane that moves a limb laterally clear of the body; spreading on the fingers.

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