About human anatomy & physiology
About human anatomy & physiology
Blog Article
A human body contains trillions of cells organized in a way that maintains distinct internal compartments. These compartments preserve body cells divided from exterior environmental threats and maintain the cells moist and nourished. In addition they individual inside body fluids in the many microorganisms that expand on body surfaces, such as the lining of specified passageways that hook up with the outer floor with the body.
antithrombin – anticoagulant that inactivates element X and opposes the conversion of prothrombin (element II) into thrombin during the frequent pathway.
dense body – sarcoplasmic framework that attaches for the sarcolemma and shortens the muscle as skinny filaments slide previous thick filaments.
atmospheric pressure – number of force that's exerted by gases within the air bordering any provided floor.
amacrine mobile – style of cell within the retina that connects to the bipolar cells close to the outer synaptic layer and presents The idea for early impression processing inside the retina.
anterior column – white matter in between the anterior horns in the spinal twine composed of a variety of groups of axons of both equally ascending and descending tracts.
depolarise – to reduce the voltage difference between the inside and outside of a mobile’s plasma membrane (the sarcolemma for the muscle mass fibre), generating The within considerably less damaging than at rest.
blood typing or grouping – blood test for identification of blood kind employing commercially geared up antibodies and compact samples of blood.
anchoring junction – mechanically attaches adjacent cells to one another or into the basement membrane.
Marathon Runners Runners show two characteristics of dwelling humans—responsiveness and motion. Anatomic structures and physiological procedures let runners to coordinate the action of muscle teams and sweat in response to mounting inside body temperature. (credit rating: Phil Roeder/flickr)
colloid – viscous fluid during the central cavity of thyroid follicles, containing the glycoprotein thyroglobulin.
artery – blood vessel that conducts blood from the heart; may be a conducting or distributing vessel.
Of these functions, assist is easily the most primitive and the oldest; read more likewise, the axial A part of the skeleton was the 1st to evolve. The vertebral column, akin to the notochord in reduced organisms, is the principle support of the trunk.
Bartholin’s glands – (also, higher vestibular glands) glands that make a thick mucus that website maintains humidity from the vulva area; also often called the greater vestibular glands.