The 2-Minute Rule for human anatomy and physiology
The 2-Minute Rule for human anatomy and physiology
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circadian rhythm – interior perception in the every day cycle of light and dim based upon retinal action linked to sunlight.
anterior tibial vein – sorts from the dorsal venous arch; drains the realm near the tibialis anterior muscle and leads to the popliteal vein.
codon – consecutive sequence of 3 nucleotides on an mRNA molecule that corresponds to a selected amino acid.
Growth also features the procedures of development and mend, equally of which require mobile differentiation.
ciliary body – sleek muscle framework on the inside area in the iris that controls The form on the lens with the zonule fibres.
cardiac output (CO) – volume of blood pumped by Each and every ventricle in the course of just one moment; equals HR multiplied by SV.
central chemoreceptor – one of many specialised receptors that are located in the Mind that perception improvements in hydrogen ion, oxygen, or carbon dioxide concentrations while in the Mind.
basal nuclei – nuclei from the cerebrum (using a number of parts from the higher brain stem and diencephalon) which have been accountable for assessing cortical movement instructions get more info and evaluating them with the overall condition of the individual by means of broad modulatory activity of dopamine neurons; mainly related to motor capabilities, as evidenced in the symptoms of Parkinson’s and Huntington’s diseases.
Cells, by way of example, Use a mobile membrane (also called the plasma membrane) that keeps the intracellular surroundings—the fluids and organelles—separate from the extracellular environment. Blood vessels continue to keep blood inside a more info shut circulatory procedure, and nerves and muscles are wrapped in connective tissue sheaths that individual them from surrounding buildings.
cervical curve – posteriorly concave curvature in the cervical vertebral column location; a secondary curve of the vertebral column.
corticospinal tract – link among the cortex plus the spinal wire responsible for producing motion.
aldosterone – hormone produced and secreted via the adrenal cortex that stimulates sodium and fluid retention and improves blood volume and blood pressure level.
A particular attribute of humans as compared with other mammals is erect posture. The human body is always to some extent just like a going for walks tower that moves on pillars, represented by the legs. Incredible rewards are actually gained from this erect posture, the chief amongst which has been the freeing from the arms for a terrific range of takes advantage of.
brachial plexus – nerve plexus related to the lower cervical spinal nerves and initial thoracic spinal nerve.