Nervous System Flashcards
__________ are the functional unit of the nervous system.
Neurons
The connective tissue cells that support neurons in the brain and spinal cord are the _________.
Neuroglia
What type of neuron is this?
Multipolar Neuron
What is number 1?
Unipolar Neuron
What is number 2?
Bipolar Neuron
What is number 3?
Multipolar Neuron
What is number 4?
Pseudo Unipolar Neuron
Schwann cells myelinate axons in which nervous system?
Peripheral Nervous System
Oligodendrocytes myelinate axons in which nervous system?
Central Nervous System
How many axons can one Schwann cell myelinate?
One
How many axons can one Oligodendrocyte cell myelinate?
Several
What is this an image of?
Oligodendrocytes cells, have a fried egg appearance, easy to tell
What type of cell has a fried egg appearance?
Oligodendrocytes cells
Diagram of Neuroglia in the Central Nervous System (Brain & Spinal Cord). What’s Number 1?
Astrocytes
Diagram of Neuroglia in the Central Nervous System (Brain & Spinal Cord). What’s Number 2?
Ependymal Cells
Diagram of Neuroglia in the Central Nervous System (Brain & Spinal Cord). What’s Number 3?
Oligodendrocytes
Diagram of Neuroglia in the Central Nervous System (Brain & Spinal Cord). What’s Number 4?
Microglia
Small star-shaped cells surrounding neurons?
Astrocytes
Neuroglial cells that help to form the blood-brain barrier?
Astrocytes
The neuroglial cell that functions in the repair of damaged cells in the brain?
Astrocytes
The neuroglial cell that provides mechanical support to neurons?
Astrocytes
Simple columnar cells that line the ventricles of the CNS?
Ependymal Cells
Specialized Ependymal Cells in the choroid plexus secrete what?
CSF (Cerebral Spinal Fluid)
Which neuroglial cells provide myelin sheath in the CNS?
Oligodendrocytes