Not known Facts About anatomy human heart
Not known Facts About anatomy human heart
Blog Article
atrioventricular valves – 1-way valves located among the atria and ventricles; the valve on the right is called the tricuspid valve, and the 1 over the left is the mitral or bicuspid valve.
aquaporin – protein-forming drinking water channels in the lipid bilayer from the cell; makes it possible for water to cross; activation within the gathering ducts is underneath the Charge of ADH.
Mentioned in this post as Section of the axial skeleton is a 3rd subdivision, the visceral, comprising the decreased jaw, some things from the upper jaw, along with the branchial arches, including the hyoid bone.
motion likely – alter in voltage of the mobile membrane in reaction into a stimulus that ends in transmission of the electrical signal; special to neurons and muscle mass fibres.
Copy is the formation of a new organism from mother or father organisms. In humans, reproduction is performed from the male and feminine reproductive units. Mainly because Loss of life will come to all elaborate organisms, without the need of reproduction, the line of organisms would stop.
Brodmann’s spots – mapping of areas with the cerebral cortex based upon microscopic anatomy that relates distinct regions to purposeful differences, as explained by Brodmann while in the early 1900s.
arrector pili – sleek muscle that's activated in response to exterior stimuli that pull on hair follicles and make the hair “rise up”.
cilia – tiny appendage on specific cells fashioned by microtubules and modified for motion of elements throughout the mobile area.
dermal papilla – (plural = dermal papillae) extension of your papillary layer in the dermis that will increase surface Get hold of in between the epidermis and dermis.
autorhythmicity – capability of cardiac muscle mass to initiate its very own electrical impulse that triggers the mechanical contraction that pumps blood at a fixed pace with no nervous or endocrine control.
aortic hiatus – opening in the diaphragm that enables passage of your thoracic aorta into the abdominal region where by it results in being the abdominal aorta.
astrocyte – star-formed cell from the central anxious system that regulates ions and uptake and/or breakdown of some neurotransmitters and contributes to the formation of the blood-brain barrier.
Anabolism is the process whereby smaller, less difficult molecules are mixed into more substantial, a lot more intricate substances. Your body can assemble, by employing Electrical power, the intricate chemical substances it needs by read more combining compact molecules derived within the foods human anatomy and physiology definition you take in
carbonic anhydrase (CA) – enzyme that catalyses the reaction that causes carbon dioxide and drinking water to form carbonic acid.