Types of neurone
Biology
ScanSolve AI Answer
Answer
Neurons can be classified in several ways, primarily by their structure (number of processes) and their function (role in the nervous system).
By Structure:
- Multipolar neurons: The most common type, characterized by one axon and multiple dendrites extending from the cell body. Found in the brain and spinal cord.
- Bipolar neurons: Have one axon and one dendrite extending from opposite sides of the cell body. Found in specialized sensory organs like the retina and olfactory epithelium.
- Unipolar (or pseudounipolar) neurons: Have a single process that emerges from the cell body and then divides into two branches: one acting as an axon and the other as a dendrite. Primarily found in sensory ganglia of the peripheral nervous system.
By Function:
- Sensory (afferent) neurons: Transmit signals from sensory receptors (e.g., skin, eyes, ears) to the central nervous system (CNS).
- Motor (efferent) neurons: Transmit signals from the CNS to muscles and glands, causing a response.
- Interneurons: Located entirely within the CNS, they connect sensory and motor neurons, playing a crucial role in integrating information and forming complex neural circuits.
Was this helpful?
Still stuck on this one?
Ask a follow-up, and the answer starts from this question.
Got a different question?Ask your own question
More Biology Questions
QFunction of sensory neuroneQGive the correct biological term for each description, indicate whether descriptions apply to A, B…QIdentify the two types of neurons shown in the diagrams, A and B.QWhich row in the table describes the type of neurone and the direction of the impulse correctly?Q2.1. Identify the neuron labelled A.