Nervous System

Cells type in the neural tissue and does many other functions

A cell type in neural tissue that transmit impulses

Brain and spinal cord

Cranial nerves and spinal nerves

Sensory receptors gather information and informant ions carried to the CNS

Sensory information used to create sensations, memory, thoughts, decisions

Decisions are acted upon Impulses are carried to effectors

A division of motor functions of PNS- transmits impulses to skeletal muscles

Division of motor functions if PNS- transmits impulses to smooth muscles, cardiac muscle and glands

Part of a neuron in the nervous system- transmits impulses and releases neurotransmitter to another neuron or effector

Axons which are tightly wrapped by neuroglial cells which are termed what?

Contains myelinated axons Considered fiver tracts

Contains I myelinated structures -cell bodies, dentrites

Due to structural differences, neurons can be classified into 3 major groups

Two processes Eyes, ears, nose

One process Ganglia of PNS sensory

Classification of neurons: Afferent Carry impulse to CNS Most are unipolar Some are bipolar Ex: from senses to CNS

Classification of neurons; Links neurons Multipolar Located in the CNS Found inside brain and spinal cord

Classification of neurons: Multipolar Cary impulses away from CNS Carry impulses to effectors

Types of neuroglial cells in the CNS

• scar tissue • aid metabolism if certain substances • induce synapse formation • connect neurons to blood vessels • part of blood brain barrier

Myelinating cell

Phagocytize cell

Ciliated Line central canal of spinal cord Line ventricles of brain