The 2-Minute Rule for anatomy human heart
The 2-Minute Rule for anatomy human heart
Blog Article
angiotensin II – protein produced by the enzymatic motion of ACE on inactive angiotensin I; actively will cause vasoconstriction and stimulates aldosterone release through the adrenal cortex.
basal lamina – thin extracellular layer that lies underneath epithelial cells and separates them from other tissues.
carotid canal – zig-zag tunnel furnishing passage in the foundation in the skull for The inner carotid artery to your Mind; begins anteromedial into the styloid system and terminates in the middle cranial cavity, near the posterior-lateral foundation on the sella turcica.
coccyx – smaller bone Positioned at inferior finish in the Grownup vertebral column that is definitely shaped from the fusion of four coccygeal vertebrae; also referred to as the “tailbone”.
Human Physiology (physio = “nature”; -logy = “study”) scientific studies the “nature” of the human body, character during the sense of how structures at distinctive stages do the job. Physiology concentrates on functionality
arachnoid granulation – out-pocket on the arachnoid membrane to the dural sinuses that allows for reabsorption of CSF to the blood.
Even so, erect posture has designed numerous mechanical difficulties—particularly, fat bearing. These challenges have needed to be satisfied by adaptations from the skeletal process.
cavernous sinus – enlarged vein that gets blood from many of the other cerebral veins as well as the eye socket, and results in the petrosal sinus.
atrial natriuretic peptide (ANP) – peptide hormone produced by the walls from the atria in response to significant blood pressure level, blood volume, or blood sodium that decreases the reabsorption of sodium and drinking water while in the human anatomy and physiology definition kidneys and promotes vasodilation.
autorhythmicity – means of cardiac muscle mass to initiate its very own electrical impulse that triggers the mechanical contraction that pumps blood at a set rate without nervous or endocrine control.
acromioclavicular joint – articulation among the acromion on the scapula as well as the acromial finish of the clavicle.
aldosterone – hormone made and secreted through the adrenal cortex that stimulates sodium and fluid retention check here and will increase blood volume and blood pressure.
ball-and-socket joint – synovial joint formed involving the spherical end of 1 bone (the ball) that matches into the melancholy of a 2nd bone (the socket); discovered in the hip and shoulder joints; functionally categorized like a multiaxial joint.
basement membrane – in epithelial tissue, a thin layer of fibrous materials that anchors the epithelial tissue for the underlying connective tissue; designed up on the basal lamina and reticular lamina.