A Simple Key For anatomy human heart Unveiled

A Simple Key For anatomy human heart Unveiled

Blog Article

circadian rhythm – internal notion of your everyday cycle of light and dim determined by retinal exercise associated with daylight.

bicuspid valve – (also, mitral valve or still left atrioventricular valve) valve Positioned between the remaining atrium and ventricle; is made up of two flaps of tissue.

To understand the whole structures and operating process of this system it is necessary to understand the anatomy and physiology.

apocrine sweat gland – kind of sweat gland that's related to hair follicles in the armpits and genital regions.

Human Physiology (physio = “nature”; -logy = “analyze”) reports the “nature” of the human body, mother nature in the feeling of how constructions at unique concentrations work. Physiology concentrates on operate

cauda equina – bundle of spinal nerve roots that descend within the reduce spinal twine under the main lumbar vertebra and lie within the vertebral cavity; has the looks of the horse’s tail.

brain – the massive organ from the central nervous technique made up of white and gray make a difference, contained throughout the cranium and steady Along with the spinal cord.

Bachmann’s bundle – (also, interatrial band) group of specialised conducting cells that transmit the impulse directly from the SA node in the ideal atrium on the still left atrium.

aortic arch – arc that connects the ascending aorta to your descending aorta; finishes for the intervertebral disk involving the fourth and fifth thoracic vertebrae.

From the upper body and abdomen, many different inner membranes retain main organs like the lungs, heart, and kidneys independent from Other individuals.

corticospinal tract – link among the cortex along with the spinal wire answerable for producing movement.

brachiocephalic vein – one of a set of veins that variety from the fusion with the external and internal jugular veins as well as subclavian vein; subclavian, external and internal jugulars, vertebral, and inside thoracic veins result in it; drains human anatomy and physiology notes the higher thoracic region and flows in the excellent vena cava.

blood-Mind barrier (BBB) – physiological barrier concerning the circulatory process check here as well as central nervous process that establishes a privileged blood supply, limiting the move of substances into your CNS.

absolute refractory time period – time throughout an motion interval when Yet another action likely can't be produced because the voltage-gated Na+ channel is inactivated.