circle of Willis – (also, arterial circle) anastomosis Situated at the base with the Mind that ensures continual blood offer; fashioned from branches of The inner carotid and vertebral arteries; supplies blood on the brain.
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Changes in an organism’s inside surroundings, like increased body temperature, can cause the responses of sweating plus the dilation of blood vessels in the pores and skin so that you can lessen body temperature, as demonstrated from the runners in Figure one.seven.
distal radioulnar joint – articulation concerning The pinnacle of the ulna and also the ulnar notch from the radius.
amacrine cell – kind of cell from the retina that connects into the bipolar cells near the outer synaptic layer and presents The premise for early picture processing in the retina.
blood hydrostatic pressure – power blood exerts in opposition to the partitions of the blood vessel or heart chamber.
bursa – connective tissue sac made up of lubricating fluid that prevents friction amongst adjacent structures, for instance pores and skin and bone, tendons and bone, or in between muscles.
coronoid technique of the ulna – projecting bony lip Found over the anterior, proximal ulna; varieties the inferior margin from the trochlear notch.
wide ligament – broad ligament that supports the uterus read more by attaching laterally to both sides in the uterus and pelvic wall.
antigen presentation – binding of processed antigen for the protein-binding cleft of A significant histocompatibility elaborate molecule.
activation gate – Portion of the voltage-gated Na+ channel that opens when the membrane voltage reaches threshold.
cardiac plexus – paired elaborate community of nerve fibres close to the foundation of your heart that acquire sympathetic and parasympathetic stimulations to control HR.
axon – solitary strategy of the neuron that carries an electrical sign (motion potential) away from the cell body towards a focus on cell.
corona radiata – in an oocyte, a layer of granulosa cells that surrounds the oocyte Which have to be penetrated by get more info sperm prior to fertilisation can manifest.