5 Simple Techniques For human anatomy and physiology definition
5 Simple Techniques For human anatomy and physiology definition
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blastocyst – term to the conceptus for the developmental phase that contains about one hundred cells formed into an interior cell mass that is definitely fated to be the embryo and an outer trophoblast that is fated to be the related foetal membranes and placenta.
binocular depth cues – indications of the distance of visual stimuli on The idea of slight dissimilarities in the pictures projected on to both retina.
bronchoconstriction – minimize in the dimensions of the bronchiole on account of contraction from the muscular wall.
The intestinal tract, as an example, is home to more bacterial cells than the total of all human cells inside the body, still these germs are outside the body and can't be permitted to circulate freely inside the body.
acetabulum – massive, cup-formed cavity located over the lateral facet with the hip bone; fashioned with the junction of the ilium, pubis, and ischium parts of the hip bone.
cuboid – tarsal bone that articulates posteriorly with the calcaneus bone, medially Along with the lateral cuneiform bone, and anteriorly with the fourth and fifth metatarsal bones.
calcitonin – peptide hormone produced and secreted from the parafollicular cells (C cells) on the thyroid gland that functions to decrease blood calcium amounts.
ampulla – (on the uterine tube) middle portion of the uterine tube by which fertilisation usually happens
acute mountain sickness (AMS) – situation that happens a result of acute exposure to significant altitude on account of a lower partial tension of oxygen.
autonomic tone – contractile state through resting cardiac exercise produced by mild sympathetic and parasympathetic stimulation.
basilar artery – shaped from the fusion of The 2 vertebral arteries; sends branches to the cerebellum, Mind stem, as well as the posterior cerebral arteries; the most crucial blood offer to the Mind stem.
cytokines – class of proteins that act as autocrine or paracrine signalling molecules; inside the cardiovascular method, they encourage the proliferation of progenitor cells and enable to promote equally nonspecific and particular resistance to disorder.
A particular characteristic of humans as when compared with other mammals is erect posture. The human body is usually to some extent like a going for walks tower that moves on pillars, represented via the legs. Great strengths are already acquired from this erect posture, the chief among the that has been the website liberating in the arms for a fantastic selection of employs.
Mind scenario – part of the cranium that contains and shields the Mind, consisting from the 8 bones that variety check here the cranial foundation and rounded upper skull.