A Simple Key For human anatomy & physiology Unveiled
A Simple Key For human anatomy & physiology Unveiled
Blog Article
circle of Willis – (also, arterial circle) anastomosis Positioned at the base on the Mind that makes sure continual blood provide; formed from branches of The interior carotid and vertebral arteries; materials blood into the Mind.
Cite When each and every work has become designed to stick to citation design and style rules, there may be some discrepancies. Make sure you check with the suitable type guide or other resources Should you have any questions. Pick out Citation Model
cell – smallest independently working unit of all organisms; in animals, a mobile includes cytoplasm, composed of fluid and organelles.
motion prospective – adjust in voltage of the cell membrane in response to some stimulus that leads to transmission of an electrical signal; one of a kind to neurons and muscle fibres.
anterior cranial fossa – shallowest and many anterior cranial fossa from the cranial foundation that extends with the frontal bone to the lesser wing with the sphenoid bone.
contralateral – word meaning “on the alternative side,” as in axons that cross the midline in the fibre tract.
centriole – smaller, self-replicating organelle that gives the origin for microtubule advancement and moves DNA during mobile division.
anterior interventricular sulcus – sulcus located among the left and right ventricles about the anterior surface with the heart.
articular disc – meniscus; a fibrocartilage composition found involving the bones of some synovial joints; presents padding or smooths actions in between the bones; strongly unites the bones jointly.
diploid – affliction marked with check here the presence of the double complement of genetic product (two sets of chromosomes, one particular set inherited from Each individual of two parents).
activation gate – A part of the voltage-gated Na+ channel that opens if the membrane voltage reaches threshold.
capillary – smallest of blood vessels where Actual physical Trade happens amongst the blood and tissue cells surrounded by interstitial fluid.
connective tissue – variety of tissue that serves to carry in position, connect, and combine the body’s organs and methods.
basal cell – form of stem mobile present in the stratum basale and from the hair matrix that frequently undergoes here mobile division, producing the keratinocytes from the epidermis.