The 2-Minute Rule for human anatomy and physiology
The 2-Minute Rule for human anatomy and physiology
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cone photoreceptor – among the two forms of retinal receptor mobile that's specialised for colour eyesight through the utilization of three photopigments distributed via a few individual populations of cells.
annular ligament – intrinsic ligament of the elbow articular capsule that surrounds and supports The pinnacle with the radius in the proximal radioulnar joint.
cochlear duct – Room within the auditory portion of the interior ear that contains the organ of Corti and is particularly adjacent to your scala tympani and scala vestibuli on either facet.
action potential – modify in voltage of a mobile membrane in response to a stimulus that leads to transmission of an electrical sign; exceptional to neurons and muscle fibres.
cranial – describes a placement higher than or greater than Yet another Section of the body appropriate; also called top-quality.
crista galli – small upward projection located within the midline in the floor of the anterior cranial fossa; fashioned with the ethmoid bone.
The very first regulation of thermodynamics holds that Electrical power can neither be established nor wrecked—it may possibly only alter kind. Your primary operate as an organism would be to take in (ingest) Electrical power and molecules inside the foods you take in, transform many of it here into gasoline for movement, sustain your body functions, and build and keep your body buildings. There are 2 kinds of reactions that achieve this: anabolism and catabolism.
counter present-day multiplier method – consists of the descending and ascending loops of Henle directing forming urine in opposing directions to create a focus gradient when combined with variable permeability and sodium pumping.
carotid sinuses – smaller pockets near the foundation of The interior carotid arteries which have been the places of your baroreceptors and chemoreceptors that result in a reflex that aids in the regulation of vascular homeostasis.
antigen presentation – binding of processed antigen to the protein-binding cleft of A significant histocompatibility elaborate molecule.
central nervous method (CNS) – anatomical division from the anxious technique Positioned throughout the cranial and vertebral cavities, specifically the Mind and spinal wire.
Responsiveness is the flexibility of an organism to adjust to modifications in its inner and exterior environments. An example of responsiveness to exterior stimuli could incorporate going towards resources of foodstuff and drinking water and clear of perceived dangers.
anatomical useless space – air Area existing while in the airway that by no means reaches the alveoli and therefore never participates in fuel exchange.
azygos vein – originates inside the lumbar region and passes with the diaphragm to click here the thoracic cavity on the proper aspect of your vertebral column; drains blood in the intercostal veins, oesophageal veins, bronchial veins, and various veins draining the mediastinal region; leads to the superior vena cava.