circadian rhythm – internal perception on the each day cycle of sunshine and darkish according to retinal activity linked to daylight.
cardiac notch – despair in the medial area from the inferior lobe of your left lung where by the apex in the heart is located.
carotid canal – zig-zag tunnel providing passage throughout the base on the skull for The inner carotid artery on the Mind; begins anteromedial for the styloid method and terminates in the middle cranial cavity, near the posterior-lateral foundation with the sella turcica.
choroid – remarkably vascular tissue within the wall of the attention that supplies the outer retina with blood/
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atrial reflex – (also, named Bainbridge reflex) autonomic reflex that responds to stretch receptors in the atria that ship impulses for the cardioaccelerator location to improve HR when venous flow into your atria boosts.
autonomic anxious procedure (ANS) – purposeful division with the nervous program which is liable for homeostatic reflexes that coordinate Charge of cardiac and clean muscle, as well as glandular tissue.
detrusor muscle mass – sleek muscle in the bladder wall; fibres run in all Instructions to reduce the measurement of the organ when emptying it of urine.
antidiuretic check here hormone (ADH) – hypothalamic hormone that may be stored from the posterior pituitary Which indicators the kidneys to reabsorb h2o.
antigen presentation – binding of processed antigen on the protein-binding cleft of A significant histocompatibility complicated molecule.
continuous capillary – commonest type of capillary, found in almost all tissues apart from epithelia and cartilage; contains extremely smaller gaps during the endothelial lining that allow Trade.
anterior communicating artery – anastomosis of the appropriate human anatomy definition and remaining inside carotid arteries; materials blood on the brain.
adrenal glands – endocrine glands Situated at the very best of each kidney that are important for the regulation of your worry reaction, blood pressure level and blood quantity, drinking water homeostasis, and electrolyte stages.
anterior longitudinal ligament – ligament that operates the size in the vertebral column, uniting the anterior elements of the vertebral bodies.