11-12. Define peripheral nervous system (PNS) and
nerve; name and briefly describe two
categories of PNS nerves; describe the
anatomy of a "typical" spinal nerve; define
reflex and reflex arc; briefly describe the
components of the general reflex arc.
11-13. Define autonomic nervous system (ANS) and
visceral organs; briefly describe efferent
pathways of the ANS; name the major
divisions of the human ANS; briefly describe
the major activities of the human ANS for the
thoraco-lumbar and cranio-sacral outflows;
briefly describe the first and second neurons,
innervations, and effects in each case.
11-14. Define pathway, neuraxis, sensor pathway,
and motor pathway; briefly describe levels of
control, pyramidal and extra-pyramidal motor
pathways, and sensory pathways; and give
examples of general senses and special
11-15. Briefly describe the sensory receptors and
sensory pathways for the special senses of
smell and taste.
11-16. Describe the structures of the bulbus oculi,
the orbit, and the adnexa.
11-17. Describe the structures of the external ear,
the middle ear, and the internal ear.
11-18. Describe the structures of the sacculus,
utriculus, semicircular ducts, and the
11-19. Describe controls in the human nervous
After completing the assignment, complete the
exercises at the end of this lesson. These exercises
will help you to achieve the lesson objectives.