Body and Breath

Each month a new series of 10 questions will be posted on the Questions & Answers page along with the answers and explanations.

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Qustions & September, 2003, with page references for Anatomy of Hatha Yoga: Name the three types of neurons. (29)

Sensory neurons carry information from where to where? (29)

Motor neurons carry information from where to where? (29)

Interneurons are located where? (29)

Dorsal roots carry what kind of information, and where do they carry it to? (29)

Ventral roots carry what kind of information, and where do they carry it from? (29)

Why are spinal nerves called mixed spinal nerves, and what are they formed from? (29)

Locate the mixed spinal nerve on page 30.

Locate the right dorsal root ganglion (microscopically and macroscopically) on page 30.

Locate the axons of sensory neurons (microscopically and macroscopically) on page 30.

Locate the right ventral root on page 30 and name its contents.

What are the two types of neuronal cellular processes. (31)

What are possible lengths of axons? (31)

What are dendrites specialized to do? (31)

What do axons do, and what is the nature of information they transmit? (31)

Where are the dendrites, cell bodies, and axons of sensory neurons? (31)

Where are the dendrites and axons of motor neurons? (32)

Dendrites of interneurons are contacted by what kind of neurons (in the example given in the text), and axons of interneurons contact what two types of neurons? (32)

Most of the neurons in the brain and spinal cord are of which type? (32)

What specific subtypes of interneurons link sensory neurons to the cerebrum? (32)

What specific subtype of interneuron carries motor signals from the cerebrum to lower centers in the brain and spinal cord? (32)

What specific subtype of interneuron links the right and left cerebral hemispheres? (32)

What are the sites called at which neurons contact and influence one another? (32)

What is the neuron called that releases transmitter substances at synapses? (32)

What is the neuron called that is contacted and affected at the synapse? (32)

What is the process by which a transmitter substance speeds up the activity of the post-synaptic neuron? (32)

What is the process by which a transmitter substance slows down the activity of the post-synaptic neuron? (32)

What are the requirements of the peacock posture regarding transmitter influences on the post-synaptic motor neurons? (32)

Locate the dendrites, cell body, and axon terminals of the sensory neuron on page 33.

Locate the dendrites, cell body, and axon terminals of the interneuron on page 33.

Locate the dendrites, cell body, and axon terminals (neuromuscular synapse) of the motor neuron on page 33.