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HUMAN NERVOUS SYSTEM

TYPES OF NEURONS

Motor neuron

Dendrites

Axon

Pyramidal neuron

Dendrites

Axon

Purkinje cell

BIPOLAR NEURONS

Retinal neuron

Dendrites

Axon

Olfactory neuron

MULTIPOLAR NEURONS

A MULTIPOLAR NEURON (EX. SPINAL MOTOR NEURON)

Nucleus with

nucleolus

Soma

Trigger zone

Axon hillock

Initial

segment

Direction of

signal transmission

Synaptic knobs

Dendrites

Neurofibrils

Nissl bodies

Schwann cell

Myelin sheath

Nucleus

Node of Ranvier

(touch and pain sensory neuron)

Dendrites

Axon

UNIPOLAR NEURON

(Amacrine cell)

Dendrites

ANAXONIC NEURON