The 2-Minute Rule for anatomy human heart
The 2-Minute Rule for anatomy human heart
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circle of Willis – (also, arterial circle) anastomosis Positioned at the base from the Mind that ensures continual blood offer; fashioned from branches of The inner carotid and vertebral arteries; supplies blood to your Mind.
acinus – cluster of glandular epithelial cells within the pancreas that secretes pancreatic secretion within the pancreas.
chitin – form of carbohydrate that sorts the outer skeleton of all arthropods that include crustaceans and insects; In addition, it sorts fungi cell partitions.
motion prospective – improve in voltage of a mobile membrane in reaction to your stimulus that brings about transmission of an electrical signal; exceptional to neurons and muscle mass fibres.
chordae tendineae – string-like extensions of rough connective tissue that stretch within the flaps from the atrioventricular valves into the papillary muscles.
anterior cavity – larger body cavity located anterior into the posterior (dorsal) body cavity; incorporates the serous membrane-lined pleural cavities with the lungs, pericardial cavity for the heart, and peritoneal cavity for the abdominal and pelvic organs; also known as ventral cavity.
anatomical posture – regular reference situation employed for describing places and Instructions around the human body.
bicipital groove – intertubercular groove; narrow groove Situated among the higher and read more lesser tubercles from the humerus.
articular disc – meniscus; a fibrocartilage structure uncovered between the bones of some synovial joints; supplies padding or smooths movements involving the bones; strongly unites the bones together.
antigen presentation – binding of processed antigen on the protein-binding cleft of A serious histocompatibility intricate molecule.
acromioclavicular joint – articulation concerning the acromion from the scapula and also the acromial stop of your clavicle.
cerebral peduncles – segments of the descending check here motor pathway which make up the white issue in the ventral midbrain.
Betz cells – output cells of the primary motor cortex that lead to musculature to move by means of synapses on cranial and spinal motor neurons.
articular cartilage – slender layer of cartilage covering an epiphysis; lowers friction and functions as a shock absorber.