The 2-Minute Rule for anatomy human heart
The 2-Minute Rule for anatomy human heart
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condyloid joint – synovial joint wherein the shallow depression at the conclusion of a person bone gets a rounded end from a 2nd bone or a rounded framework fashioned by two bones; observed for the metacarpophalangeal joints on the fingers or maybe the radiocarpal joint with the wrist; functionally categorized to be a biaxial joint.
annular ligament – intrinsic ligament of the elbow articular capsule that surrounds and supports The pinnacle of your radius in the proximal radioulnar joint.
acromial close on the clavicle – lateral finish from the clavicle that articulates With all the acromion from the scapula.
cleavage furrow – contractile ring that kinds all around a mobile all through cytokinesis that pinches the cell into two halves.
articular tubercle – smooth ridge Situated around the inferior cranium, promptly anterior into the mandibular fossa.
barrier defences – antipathogen defences deriving from the barrier that bodily prevents pathogens from entering the body to ascertain an an infection.
Bainbridge reflex – (also, named atrial reflex) autonomic reflex that responds to stretch receptors inside the atria that mail impulses into the cardioaccelerator space to raise HR when venous move to the atria increases.
blood typing or grouping – blood check for identification of blood kind using commercially organized antibodies and compact samples of blood.
canaliculi – (singular = canaliculus) channels inside the bone matrix that residence one among an osteocyte’s quite a few cytoplasmic extensions that it uses to speak and receive nutrients.
The link on the ribs into the breastbone—the sternum—is in all instances a secondary 1, introduced about with here the relatively pliable rib (costal) cartilages. The modest joints concerning the ribs plus the vertebrae allow a gliding motion in the ribs over the vertebrae throughout breathing and various things to do. The movement is limited through the ligamentous attachments involving ribs and vertebrae.
direct pathway – connections throughout the basal nuclei in the striatum towards the globus pallidus inside phase and substantia nigra pars reticulata that disinhibit the thalamus to enhance cortical control of motion.
costal facet – website about the lateral sides of a thoracic vertebra for here articulation with The pinnacle of a rib.
bipolar – shape of a neuron with two procedures extending through the neuron cell body—the axon and a single dendrite.
absolute refractory period of time – time throughout an motion period when A further action likely cannot be produced since the voltage-gated Na+ channel is inactivated.