The Ultimate Guide To human anatomy & physiology
The Ultimate Guide To human anatomy & physiology
Blog Article
circle of Willis – (also, arterial circle) anastomosis Found at The bottom of the brain that ensures continual blood offer; formed from branches of the internal carotid and vertebral arteries; provides blood to the Mind.
acinus – cluster of glandular epithelial cells within the pancreas that secretes pancreatic secretion in the pancreas.
dense connective tissue – connective tissue correct that contains several fibres that supply equally elasticity and defense.
cleavage furrow – contractile ring that varieties about a cell throughout cytokinesis that pinches the mobile into two halves.
afterload – drive the ventricles have to create to proficiently pump blood towards the resistance within the vessels.
blood hydrostatic strain – power blood exerts against the walls of a blood vessel or heart chamber.
atrioventricular (AV) node – clump of myocardial cells located in the inferior part of the appropriate atrium inside the atrioventricular septum; gets the impulse from your SA node, pauses, and after that transmits it into specialised conducting cells within the interventricular septum.
anterior border in the tibia – slim, anterior margin of the tibia that extends inferiorly within the tibial tuberosity.
dermal papilla – (plural = dermal papillae) extension from the papillary layer click here of your dermis that boosts floor contact concerning the epidermis and dermis.
artificial pacemaker – healthcare system that transmits electrical indicators to your heart to make certain it contracts and pumps blood to your body.
direct pathway – connections inside the basal nuclei with the striatum on the globus pallidus inner phase and substantia nigra pars reticulata that disinhibit the thalamus to improve cortical Charge of motion.
aldosterone human anatomy meaning – hormone developed and secreted through the adrenal cortex that stimulates sodium and fluid retention and boosts blood quantity and hypertension.
descending aorta – portion of the aorta that proceeds downward earlier the tip in the aortic arch; subdivided to the thoracic aorta as well as abdominal aorta.
atrioventricular septum – cardiac septum Positioned in between the atria and ventricles; atrioventricular valves are located right here.