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Nervous System (Peripheral Nervous System (PNS) (Neuroglial (Glial) Cells,…
Nervous System
Peripheral Nervous System (PNS)
Neuroglial (Glial) Cells
Satellite Cells -
Surround neural cell bodies, provides structure and support
Schwann Cells -
Myelination in PNS
Ganglion -
Collection of neuron cell bodies OUTSIDE CNS
Nerve -
Collection of axons in the PNS
Sensory Components
Somatic Sensory -
Sensory in peripheral parts of body
Pressure
Vibration
Pain
Temperature
Touch
Proprioception -
perception / awareness of body position
Skin
Body Wall
Limbs
Visceral Sensory
- Sensory in trunk of body
Pain
Temperature
Stretch
Chemical Changes
Irritation
Motor Components
Somatic Motor -
Motor movements in peripheral parts of body (voluntary)
Skeletal Muscles
Visceral Motor -
Involuntary motor movements
Smooth Muscle
Cardiac Muscle
Glands
Exocrine Gland
Endocrine Gland
Central Nervous System (CNS)
Brain
Grey Matter -
Unmyelinated axon, dendrites, neuron cell bodies. Found in the outter part of the brain
White Matter -
Myelinated axons and some unmyelinated mixed in. Found Deep in cortex of the brain
Cranial Nerves
Integration -
Combines information from many sources (the senses)
Spinal Cord
Spinal Nerves
Neuroglial (Glial) Cells
Microglia -
Phagocyte of CNS, defends against invaders
Ependymal Cells -
Has both cilia (movement of CSF) and microvilli (absorption and secretion)
Astrocyte -
maintains chemical environment
Oligodendrocytes -
Similar to Astocyte with fewer protuberances and is concerned with the production of myelin
Nucleus -
Collection of neuron cell bodies INSIDE CNS