A Simple Key For human anatomy & physiology Unveiled

A Simple Key For human anatomy & physiology Unveiled

Blog Article

circadian rhythm – interior perception on the every day cycle of light and dim determined by retinal exercise connected with daylight.

diabetic issues mellitus – ailment because of destruction or dysfunction in the beta cells of the pancreas or mobile resistance to insulin that results in abnormally higher blood glucose levels.

dense connective tissue – connective tissue correct that contains numerous fibres that supply both equally elasticity and safety.

central canal – longitudinal channel inside the centre of each osteon; incorporates blood vessels, nerves, and lymphatic vessels; also known as the Haversian canal.

diastolic pressure – lower amount recorded when measuring arterial hypertension; represents the minimal benefit corresponding to the strain that remains throughout ventricular peace.

contralateral – phrase meaning “on the alternative aspect,” as in axons that cross the midline inside a fibre tract.

anterior tibial artery – branches through the popliteal artery; supplies blood into the anterior tibial area; results in being the dorsalis pedis artery.

mobile cycle – everyday living cycle of an individual cell, from its delivery right until its division into two new daughter cells.

carotid sinuses – smaller pockets close to the base of The interior carotid arteries which have been the places on the baroreceptors and chemoreceptors that trigger a reflex that aids while in the regulation of vascular homeostasis.

Marathon Runners Runners show two features of living humans—responsiveness and motion. Anatomic buildings and physiological procedures permit runners to click here coordinate the action of muscle mass groups and sweat in reaction to rising inside body temperature. (credit score: Phil Roeder/flickr)

conducting zone – region on the respiratory program that includes the organs and constructions that present passageways for air and are indirectly involved with fuel Trade.

dorsal arch – (also, arcuate arch) fashioned from the anastomosis of the dorsalis pedis artery and medial and plantar arteries; branches supply more info the distal parts of your foot and digits.

blood-brain barrier (BBB) – physiological barrier in between the circulatory procedure as well as the central anxious process that establishes a privileged blood offer, limiting the movement of substances in the CNS.

absolute refractory time period – time through an motion interval when A further motion opportunity can't be produced because the voltage-gated Na+ channel is inactivated.