It is very good book to study a a day before your exam. It can also cover your viva questions and will help you to score very high. Which of the following components of the extrapyramidal system primarily function to control skeletal muscle tone?
The axons of the pyramidal cells of the motor cortex descend to synapse on lower motor neurons in the brain stem and the spinal cord. Since there are no intervening synapses, the pyramidal system is able to provide rapid commands to the skeletal muscles and various other organs. There are several other centers that can issue somatic motor commands as a result of processing performed at the unconscious, involuntary level. These centers and their associated tracts comprise the extrapyramidal system.
B interatrial septum of embryo and fetus. C interventricular septum of the adult. D interventricular septum of embryo and fetus. A: medial to the zygomatic arch and inserts into the coronoid process of the mandible. B: lateral to the zygomatic arch and inserts into the coronoid process of the mandible, C: medial to the zygomatic arch and inserts into the medial side of the angle of the ramus. D: lateral to the zygomatic arch and inserts into the medial side of the angle of the ramus.
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