Not known Factual Statements About human anatomy and physiology definition

Not known Factual Statements About human anatomy and physiology definition

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cardiac skeleton – (also, skeleton on the heart) strengthened connective tissue located in the atrioventricular septum; involves four rings that surround the openings in between the atria and ventricles, as well as the openings towards the pulmonary trunk and aorta; The purpose of attachment to the heart valves.

bicuspid valve – (also, mitral valve or left atrioventricular valve) valve located involving the remaining atrium and ventricle; consists of two flaps of tissue.

cribriform plate – smaller, flattened regions with many compact openings, Found to possibly aspect with the midline in the floor in the anterior cranial fossa; formed with the ethmoid bone.

basal plate – developmental location in the spinal wire that provides rise to the lateral and anterior horns of grey issue.

anterior cranial fossa – shallowest and many anterior cranial fossa in the cranial foundation that extends with the frontal bone to the lesser wing with the sphenoid bone.

blood–testis barrier – limited junctions among Sertoli cells that reduce bloodborne pathogens from gaining entry to afterwards phases of spermatogenesis and stop the prospective for an autoimmune response to haploid sperm.

Human motion features don't just actions at the joints of your body, but will also the movement of specific organs and also particular person cells. As you read these phrases, pink and white blood cells are shifting in the course of your body, muscle cells are contracting and relaxing to keep up your posture and also to target your eyesight, and glands are secreting chemical substances to regulate body capabilities.

detrusor muscle – smooth muscle mass inside the bladder wall; fibres run in all Instructions to decrease the sizing of the organ when emptying it of urine.

broad ligament – broad ligament that supports the uterus by attaching laterally to click here either side of your uterus and pelvic wall.

Dalton’s legislation – statement from the principle that a particular fuel key in a combination exerts its possess strain, just as if that unique gasoline kind wasn't Section of a mix of gases.

activation gate – A part of the voltage-gated Na+ channel that opens in the check here event the membrane voltage reaches threshold.

corneal reflex – protecting response to stimulation on the cornea producing contraction in the orbicularis oculi muscle mass causing blinking of the eye.

axon – solitary process of the neuron that carries an electrical sign (motion opportunity) clear of the mobile body toward a focus on mobile.

bronchus – tube linked to the trachea that branches into numerous subsidiaries and gives a passageway for air to enter and depart the lungs.