5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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anterior cerebral artery – occurs from the internal carotid artery; supplies the frontal lobe with the cerebrum.
anterior talofibular ligament – intrinsic ligament Situated on the lateral side with the ankle joint, concerning talus bone and lateral malleolus of fibula; supports talus for the talocrural joint and resists excessive inversion of your foot.
bronchial bud – construction within the building embryo that sorts once the laryngotracheal bud extends and branches to variety two bulbous structures.
Improvement also involves the procedures of development and mend, both of those of which involve mobile differentiation.
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cauda equina – bundle of spinal nerve roots that descend from the decrease spinal twine down below the main lumbar vertebra and lie within the vertebral cavity; has the appearance of a horse’s tail.
bursa – connective tissue sac containing lubricating fluid that prevents friction amongst adjacent buildings, which include pores and skin and bone, tendons and bone, or concerning muscles.
counter recent multiplier technique – consists of the descending check here and ascending loops of Henle directing forming urine in opposing directions to make a focus gradient when combined with variable permeability and sodium pumping.
Cells, as an example, Have got a mobile membrane (also referred to as the plasma membrane) that retains the intracellular environment—the fluids and organelles—different from your extracellular setting. website Blood vessels hold blood inside of a shut circulatory procedure, and nerves and muscles are wrapped in connective tissue sheaths that different them from surrounding constructions.
Marathon Runners Runners display two properties of residing humans—responsiveness and movement. Anatomic buildings and physiological procedures make it possible for runners to coordinate the motion of muscle mass groups and sweat in reaction to rising internal body temperature. (credit history: Phil Roeder/flickr)
ongoing capillary – most frequent variety of capillary, found in nearly all tissues besides epithelia and cartilage; has pretty little gaps inside the endothelial lining that let Trade.
The several organ units Every single have diverse functions and as a consequence exclusive roles to perform in physiology. These quite a few functions is often summarized with regard to a couple of that we might take into account definitive of human existence: Group, metabolism, responsiveness, movement, development, and replica.
adrenal glands – endocrine glands Situated at the top of each kidney that are very important to the regulation in the anxiety reaction, blood pressure level and blood volume, h2o homeostasis, and electrolyte degrees.
brush border – fashioned by microvilli to the area of particular cuboidal cells; during the kidney it is actually located in the PCT; boosts surface area place for absorption in the kidney.