anatomy human heart for Dummies

anatomy human heart for Dummies

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ampulla – in the ear, the structure at The bottom of the semicircular canal which contains the hair cells and cupula for transduction of rotational movement of The top.

acinus – cluster of glandular epithelial cells within the pancreas that secretes pancreatic secretion inside the pancreas.

carotid canal – zig-zag tunnel giving passage from the base of your cranium for the internal carotid artery towards the brain; commences anteromedial to the styloid process and terminates in the middle cranial cavity, near the posterior-lateral foundation from the sella turcica.

choroid – hugely vascular tissue in the wall of the attention that supplies the outer retina with blood/

aorta – premier artery from the body, originating within the still left ventricle and descending on the abdominal area exactly where it bifurcates in to the frequent iliac arteries at the level with the fourth lumbar vertebra; arteries originating from your aorta distribute blood to almost all tissues of the body.

Bowman’s capsule – cup-formed sack lined by a simple squamous epithelium (parietal floor) and specialised cells termed podocytes (visceral surface) that take part in the filtration system; receives the filtrate which then passes on to the PCTs.

The very first law of thermodynamics retains that Vitality can neither be produced nor destroyed—it here can only change type. Your essential functionality being an organism should be to consume (ingest) energy and molecules during the foods you consume, change a number of it into gasoline click here for motion, maintain your body functions, and Develop and preserve your body buildings. There are two types of reactions that accomplish this: anabolism and catabolism.

coracoid method – short, hook-like method that initiatives anteriorly and laterally from your superior margin on the scapula.

carotid sinuses – modest pockets near the base of the internal carotid arteries which can be the areas with the baroreceptors and chemoreceptors that cause a reflex that aids inside the regulation of vascular homeostasis.

corticobulbar tract – connection involving the cortex and the brain stem chargeable for producing movement.

adrenal cortex – outer region on the adrenal glands consisting of numerous layers of epithelial cells and capillary networks that produces mineralocorticoids and glucocorticoids.

arachnoid trabeculae – filaments between the arachnoid and pia mater inside the subarachnoid Area.

descending aorta – portion of the aorta that carries on downward past the end in the aortic arch; subdivided into your thoracic aorta and also the abdominal aorta.

complete refractory period of time – time in the course of an action period when An additional motion likely can't be produced since the voltage-gated Na+ channel is inactivated.