5 Simple Techniques For human anatomy meaning
5 Simple Techniques For human anatomy meaning
Blog Article
The Grownup human skeleton ordinarily includes 206 named bones. These bones may be grouped in two divisions: axial skeleton and appendicular skeleton.
steady conduction – slow propagation of an action likely alongside an unmyelinated axon owing to voltage-gated Na+ channels Positioned alongside your complete duration of your cell membrane.
coronary arteries – branches of your ascending aorta that supply blood into the heart; the left coronary artery feeds the left facet in the heart, the left atrium and ventricle, plus the interventricular septum; the right coronary artery feeds the ideal atrium, portions of both ventricles, as well as heart conduction method.
distal radioulnar joint – articulation involving The top from the ulna and the ulnar notch with the radius.
Security from the heart, lungs, and various organs and buildings inside the chest creates an issue relatively unique from that with the central anxious technique. These organs, the operate of which consists of motion, expansion, and contraction, should have a flexible and elastic protecting masking. Such a masking is furnished by the bony thoracic basket, or rib cage, which varieties the skeleton with the wall of your upper body, or thorax.
anterior column – white make a difference in between the anterior horns of the spinal wire composed of many different teams of axons of both equally ascending and descending tracts.
The primary legislation of thermodynamics retains that Electrical power can neither be developed nor wrecked—it could only improve form. Your standard function being an organism will be to consume (ingest) Electrical power and molecules within the foods you take in, change a few of it into gasoline for movement, here sustain your body capabilities, and build and manage your body constructions. There's two forms of reactions that achieve this: anabolism and catabolism.
aponeurosis – broad, tendon-like sheet of connective tissue that attaches a skeletal muscle mass to another skeletal muscle mass or into a bone.
atrial natriuretic peptide (ANP) – peptide hormone made by the partitions of your atria in reaction to large blood pressure level, blood volume, or blood sodium that decreases the reabsorption of sodium and drinking water inside the kidneys and encourages vasodilation.
buffy coat – slender, pale layer of leukocytes and platelets that separates the erythrocytes within the plasma inside a sample of centrifuged blood.
conducting zone – location in the respiratory method that features the organs and structures that provide passageways for air and so are indirectly associated with gasoline Trade.
cardiac reflexes – series of autonomic reflexes that enable the cardiovascular centres to regulate heart functionality based on sensory details more info from a range of visceral sensors.
alkaloid – material, typically from a plant resource, that is certainly chemically primary with respect to pH and will encourage bitter receptors.
anterior cruciate ligament – intracapsular ligament from the knee; extends from anterior, outstanding surface area from the tibia to the interior facet of the lateral condyle on the femur; resists hyperextension of knee.