5 Simple Statements About human anatomy & physiology Explained
5 Simple Statements About human anatomy & physiology Explained
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ampulla – while in the ear, the composition at the base of the semicircular canal which contains the hair cells and cupula for transduction of rotational motion of The pinnacle.
basal lamina – thin extracellular layer that lies beneath epithelial cells and separates them from other tissues.
caudate – nucleus deep inside the cerebrum that is an element on the basal nuclei; combined with the putamen, it is an element of your striatum.
cleavage furrow – contractile ring that forms all around a cell all through cytokinesis that pinches the cell into two halves.
cupula – specialised construction throughout the base of the semicircular canal that bends the stereocilia of hair cells when The top rotates By means of the relative motion from the enclosed fluid.
contralateral – term meaning “on the alternative facet,” as in axons that cross the midline within a fibre tract.
anatomical position – regular reference place used for describing places and directions within the human body.
anterior median fissure – deep midline attribute of your anterior spinal wire, marking the separation in between the best and left sides from the wire.
Cells, by way of example, Have a very cell membrane (also known as the plasma membrane) that retains the intracellular natural environment—the fluids and organelles—independent from the extracellular natural environment. Blood vessels continue to keep blood within a closed circulatory system, and nerves and muscles are wrapped in connective tissue sheaths click here that individual them from encompassing buildings.
artificial pacemaker – clinical system that transmits electrical signals into the heart making sure that it contracts and pumps blood into the body.
axon segment – solitary extend from the axon insulated by myelin and bounded by nodes of Ranvier at possibly check here close (aside from the initial, that is following the initial segment, and the final, that's followed by the axon terminal).
anterior speaking artery – anastomosis of the right and still left inner carotid arteries; materials blood on the Mind.
coronal suture – joint that unites the frontal bone to the proper and still left parietal bones over the top on the skull.
brain case – portion of the cranium which contains and safeguards the Mind, consisting of your 8 bones that kind the cranial base and rounded higher cranium.