The neuron does not secrete anything. It's sole purpose is to relay information from the brain to the rest of the body and vice versa.
receptive conducting secretory
The question isn't clear enough. Does it mean the part that sends info. through the neuron (the axon)? Or does it mean the part that sends information to other neurons (the synapse)?
The "Tigger zone" in a unipolar neuron is the initial segment of the axon where action potentials are generated. Here, graded potentials from the dendrites accumulate and if they reach a certain threshold, an action potential is triggered.
­The dendrites and cell body. Incoming signals from other neurons are received here.
An active zone is a specialized region within a neuron where neurotransmitters are released to communicate with other neurons at a synapse. It is where the presynaptic neuron releases neurotransmitters into the synaptic cleft, which then bind to receptors on the postsynaptic neuron to facilitate communication between the two cells.
receptive conducting secretory
Axon/Axon terminals
dendrites
A secretory synapse is a type of synapse where the presynaptic neuron releases neurotransmitters into the extracellular space rather than across a synaptic cleft to act on a postsynaptic neuron. This communication occurs through volume transmission, allowing for more widespread and diffuse signaling compared to conventional synaptic transmission. Examples include neurosecretory cells in the hypothalamus that release hormones into the bloodstream.
The question isn't clear enough. Does it mean the part that sends info. through the neuron (the axon)? Or does it mean the part that sends information to other neurons (the synapse)?
The "Tigger zone" in a unipolar neuron is the initial segment of the axon where action potentials are generated. Here, graded potentials from the dendrites accumulate and if they reach a certain threshold, an action potential is triggered.
I have never heard of the term 'transmission zone' (which may be someone's personal name for what I'm about to explain) but neurons send their chemical signals across what is known as a synapse, the region where the axon of one neuron meets up with another neuron (most often a dendrite). The space between these two neurons (the non-neuron space in the synapse) is called the synaptic cleft. Through this space, neurotransmitters pass through and act on the receiving neuron once they reach it.
­The dendrites and cell body. Incoming signals from other neurons are received here.
An active zone is a specialized region within a neuron where neurotransmitters are released to communicate with other neurons at a synapse. It is where the presynaptic neuron releases neurotransmitters into the synaptic cleft, which then bind to receptors on the postsynaptic neuron to facilitate communication between the two cells.
The secretory system does not really exist. There is a secretory mechanism that is part of the endocrine system, and that secretes hormones into the blood stream.
Its where there are a lot of sodium channels. Once the trigger zone is 'triggered' to threshold (from -70mV to -55mv), then an action potential occurs. trigger zone in MOTOR neurons are in the axon hillock and in SENSORY neurons, they're in the 1st unmyelinated area (first node of ranvier).
The trigger zone of a neuron includes the axon hillock, where graded potentials are summed together to determine if an action potential will be initiated. It is the region where voltage-gated sodium channels are concentrated and play a crucial role in generating an action potential. If the depolarization at the trigger zone reaches a certain threshold, an action potential will be generated and propagated down the axon.