Neural Activity 1
Animal Cells
Cell Membrane
Seperates inside of cell from outside environment
Nucleus, ER & Ribosomes
Contains DNA & protein synthesis
Mitochondria
Perform metabolic activities
Categorising neurons
Unipolar cells
Bipolar cells
Multipolar cells
Purkinje cells
Chandellier cells
Pyramidal cells
Anatomy of neurons
Dendrite
Fibers that receive information from other neuron
Soma
structure containing nucleus
Axon
Information sender
Myelin Sheath
Insulating material around axon
Nodes of Ranvier
Interruptions in myelin
Presynaptic Terminal
Point where axon releases chemicals
Afferent axon
Brings information into structure
Efferent axon
Sends information away from structure
Types of cells
Sensory neurons
Sensitive to stimulation
Motor neurons
Conducts impulses to muscles
Interneurons
neuron confined within given structure
Glia
Astrocytes
Regulates electrical activity of neurons
Microglia
Removes waste material from NS
Schwann cells
Form myelin around cells in PNS
Oligodendycytes
Form myelin around cells in CNS
Radial glia
Guide axon growth over long distances