Getting My anatomy human body To Work
Getting My anatomy human body To Work
Blog Article
The adult human skeleton ordinarily contains 206 named bones. These bones could be grouped in two divisions: axial skeleton and appendicular skeleton.
arm – region in the higher limb Found amongst the shoulder and elbow joints; contains the humerus bone.
carotid canal – zig-zag tunnel furnishing passage in the base of the skull for The inner carotid artery into the Mind; commences anteromedial to your styloid process and terminates in the middle cranial cavity, near the posterior-lateral foundation with the sella turcica.
biogenic amine – class of neurotransmitters that are enzymatically derived from amino acids but no longer incorporate a carboxyl team.
cupula – specialised composition throughout the base of the semicircular canal that bends the stereocilia of hair cells when The top rotates Through the relative movement in the enclosed fluid.
Development is all of the adjustments the body goes by in everyday life. Improvement contains the whole process of differentiation, where unspecialized cells turn out to be specialized in structure and function to conduct selected duties within the body.
costal groove – shallow groove along the inferior margin of the rib that provides passage for blood vessels and get more info a nerve.
bicipital groove – intertubercular groove; narrow groove Positioned involving the bigger and lesser tubercles of your humerus.
dermal papilla – (plural = dermal papillae) extension on the papillary layer in the dermis check here that boosts area Get in touch with among the epidermis and dermis.
Inside the upper body and abdomen, a variety of inner membranes preserve significant organs including the lungs, heart, and kidneys separate from Many others.
direct pathway – connections inside the basal nuclei with the striatum to the globus pallidus inside segment and substantia nigra pars reticulata that disinhibit the thalamus to improve cortical Charge of movement.
astrocyte – star-shaped cell during the central nervous system that regulates ions and uptake and/or breakdown of some neurotransmitters and contributes towards the formation on the blood-brain barrier.
abducens nerve – sixth cranial nerve; responsible for contraction of among the list of extraocular muscles.
corona radiata – in an oocyte, a layer of granulosa cells that surrounds the oocyte and that needs to be penetrated by sperm just before fertilisation can come about.