cone photoreceptor – among the list of two kinds of retinal receptor cell that may be specialised for colour eyesight in the usage of a few photopigments dispersed via three separate populations of cells.
brain stem – region on the adult brain that includes the midbrain, pons, and medulla oblongata and develops in the mesencephalon, metencephalon, and myelencephalon of your embryonic Mind.
corpus cavernosum – possibly of two columns of erectile tissue in the penis that fill with blood in the course of an erection.
central canal – longitudinal channel during the centre of each osteon; incorporates blood vessels, nerves, and lymphatic vessels; generally known as the Haversian canal.
control centre – compares values for their regular assortment; deviations lead to the activation of an effector.
Growth is every one of the variations the body goes by in everyday life. Growth features the whole process of differentiation, through which unspecialized cells turn out to be specialised in composition and performance to complete certain responsibilities from the body.
atrioventricular (AV) node – clump of myocardial cells located in the inferior percentage of the appropriate atrium in the atrioventricular septum; receives the impulse in the SA node, pauses, and after that transmits it into specialised conducting cells within the interventricular septum.
cavernous sinus – enlarged vein that receives more info blood from many of the other cerebral veins plus the eye socket, and read more causes the petrosal sinus.
Lively transport – kind of transportation across the mobile membrane that requires input of cellular Strength.
ascending pathway – fibre construction that relays sensory details within the periphery with the spinal cord and Mind stem to other buildings on the Mind.
activation gate – Element of the voltage-gated Na+ channel that opens once the membrane voltage reaches threshold.
anterior speaking artery – anastomosis of the proper and remaining internal carotid arteries; materials blood to the brain.
coronal suture – joint that unites the frontal bone to the ideal and still left parietal bones throughout the top of the skull.
cerebral aqueduct – link of the ventricular system among the third and fourth ventricles situated in the midbrain.