The 2-Minute Rule for anatomy human heart
The 2-Minute Rule for anatomy human heart
Blog Article
cardiac skeleton – (also, skeleton of your heart) bolstered connective tissue Positioned within the atrioventricular septum; contains four rings that encompass the openings in between the atria and ventricles, as well as the openings to the pulmonary trunk and aorta; The purpose of attachment to the heart valves.
Mind stem – location of the adult Mind that features the midbrain, pons, and medulla oblongata and develops through the mesencephalon, metencephalon, and myelencephalon with the embryonic brain.
Changes within an organism’s inner environment, for example improved body temperature, can cause the responses of sweating plus the dilation of blood vessels within the skin so that you can lower body temperature, as proven via the runners in Determine 1.7.
acrosome – cap-like vesicle located at the anterior-most region of the sperm that may be abundant with lysosomal enzymes capable of digesting the protecting layers bordering the oocyte.
cranial – describes a place earlier mentioned or greater than another Component of the body good; also referred to as outstanding.
Brodmann’s spots – mapping of areas from the cerebral cortex based on microscopic anatomy that relates distinct areas to functional variations, as explained by Brodmann during the early 1900s.
central chemoreceptor – among the list of specialised receptors that can be found in the brain that perception changes in hydrogen ion, oxygen, or carbon dioxide concentrations inside the brain.
counter current multiplier system – entails the descending and ascending loops of Henle directing forming urine in opposing directions to make a focus gradient when combined with variable permeability and sodium pumping.
dermal papilla – (plural = dermal papillae) extension in the papillary layer of your dermis that raises floor Get read more hold of involving the epidermis and dermis.
descending tract – central nervous method fibres carrying motor instructions from the Mind to the spinal twine or periphery.
direct pathway – connections within the basal nuclei within the striatum into the globus pallidus interior section and substantia nigra website pars reticulata that disinhibit the thalamus to raise cortical Charge of movement.
artery – blood vessel that conducts blood faraway from the heart; could be a conducting or distributing vessel.
adrenal glands – endocrine glands Positioned at the highest of each and every kidney that are important for the regulation in the strain response, hypertension and blood volume, water homeostasis, and electrolyte degrees.
bronchus – tube linked to the trachea that branches into many subsidiaries and provides a passageway for air to enter and leave the lungs.