When the action potential reaches the presynaptic terminal, it provokes the release of a small quantity of neurotransmitter molecules, which bind to chemical receptor molecules located in the membrane of another neuron, the postsynaptic neuron, on the opposite side of the synaptic cleft.
Turbinectomy is a procedure in which some or all of the turbinate bones attached to mucous membranes in the nasal passage are removed.It has been used to relieve nasal obstruction, but side-effects include removal of nerves that would report the passage of air. It may result in empty nose syndrome.urbinectomy is a procedure in which some or all of the turbinate bones attached to mucous membranes in the nasal passage are removed.
reaction turbine. A type of turbine in which the stator vane and the rotor are arranged in such a way that the entire pressure drop takes place between the rotor blades, which have convergent passages in the direction of flow.eaction turbine. A power-generation prime mover utilizing the steady-flow principle of fluid acceleration, where nozzles are mounted on the moving element. The rotor is turned by the reaction of the issuing fluid jet and is utilized in varying degrees in steam, gas, and hydraulic turbines.