A Simple Key For human anatomy & physiology Unveiled
A Simple Key For human anatomy & physiology Unveiled
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arachnoid mater – Center layer of your meninges named for your spider-Net–like trabeculae that reach concerning it as well as the pia mater.
aquaporin – protein-forming water channels in the lipid bilayer in the cell; enables h2o to cross; activation inside the amassing ducts is beneath the control of ADH.
denaturation – lack of condition in a very protein because of adjustments in temperature, pH, or chemical exposure.
The intestinal tract, by way of example, is household to additional bacterial cells than the full of all human cells within the body, however these microorganisms are outdoors the body and can't be permitted to flow into freely In the body.
aorta – premier artery while in the body, originating from the still left ventricle and descending to the abdominal location where it bifurcates in to the widespread iliac arteries at the level on the fourth lumbar vertebra; arteries originating within the aorta distribute blood to almost all tissues in the body.
anterior cavity – larger sized body cavity located anterior to your posterior website (dorsal) body cavity; features the serous membrane-lined pleural cavities to the lungs, pericardial cavity to the heart, and peritoneal cavity to the abdominal and pelvic organs; also generally known as ventral cavity.
calcitonin – peptide hormone made and secreted via the parafollicular cells (C cells) of the thyroid get more info gland that features to minimize blood calcium concentrations.
anterior border from the tibia – slim, anterior margin of the tibia that extends inferiorly from your tibial tuberosity.
Cells, such as, Possess a cell membrane (also generally known as the plasma membrane) that keeps the intracellular setting—the fluids and organelles—independent from your extracellular atmosphere. Blood vessels hold blood within a closed circulatory method, and nerves and muscles are wrapped in connective tissue sheaths that different them from surrounding constructions.
cervical curve – posteriorly concave curvature of the cervical vertebral column region; a secondary curve on the vertebral column.
central nervous procedure (CNS) – anatomical division of your nervous process Positioned throughout the cranial and vertebral cavities, particularly the brain and spinal cord.
frequent region domain – Portion of a lymphocyte antigen receptor that does not fluctuate A lot concerning distinctive receptor forms.
disinhibition – disynaptic link wherein the 1st synapse inhibits the second mobile, which then stops inhibiting the final concentrate on.
azygos vein – originates within the lumbar location and passes throughout the diaphragm to the thoracic cavity on the best aspect in the vertebral column; drains blood with the intercostal veins, oesophageal veins, bronchial veins, and other veins draining the mediastinal region; contributes to the exceptional vena cava.