anatomy human heart for Dummies

anatomy human heart for Dummies

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decussate – to cross the midline, as in fibres that project from a single facet from the body to another.

diffusion – movement of the substance from a location of higher focus to one of decrease concentration.

bronchial bud – structure while in the developing embryo that forms when the laryngotracheal bud extends and branches to sort two bulbous structures.

blood pressure level – force exerted because of the blood versus the wall of a vessel or heart chamber; could be explained While using the a lot more generic time period hydrostatic stress.

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anterior cavity – more substantial body cavity Found anterior to your posterior (dorsal) body cavity; contains the serous membrane-lined pleural cavities with the lungs, pericardial cavity with the heart, and peritoneal cavity to the abdominal and pelvic organs; also generally known as ventral cavity.

Yet, erect posture has developed numerous mechanical troubles—specifically, excess weight bearing. These difficulties have had to be met by adaptations of your skeletal method.

counter present-day multiplier procedure – entails the descending and ascending loops click here of Henle directing forming urine in opposing directions to make a concentration gradient when combined with variable permeability and sodium pumping.

bilirubin – yellowish bile pigment produced when iron is faraway from haem along with the remaining molecule is even more broken down into waste goods.

autorhythmicity – means of cardiac muscle to initiate its very own electrical impulse that triggers the mechanical contraction that read more pumps blood at a hard and fast pace with out anxious or endocrine Handle.

bone marrow transplant – treatment method in which a donor’s nutritious bone marrow with its stem cells replaces diseased or damaged bone marrow of the affected individual.

artery – blood vessel that conducts blood clear of the heart; could be a conducting or distributing vessel.

deep femoral vein – drains blood with the further portions with the thigh and results in the femoral vein.

corona radiata – within an oocyte, a layer of granulosa cells that surrounds the oocyte and that need to be penetrated by sperm ahead of fertilisation can occur.