PDF-Cranial Nerves Spinal Cord and Reflexes

1 BIOL 2210L Unit 11 Authors Terri Koontz and Anna Gilletly CNM Biology Department Creative Commons Attribution NonCommercial 40 International License Terms to Know for Unit 1 1 Cranial Ner. Eleventh Edition. Chapter 13. The Spinal Cord, Spinal Nerves, and Spinal Reflexes. Clicker Questions. What is the minimum number of neurons in a reflex arc?. 1. 2. 5. 7. What is the minimum number of neurons in a reflex arc?. Spinal Cord Anatomy. Extends from the foramen magnum of the skull to the first or second lumbar vertebra. Provides a two-way conduction pathway from the brain to and from the brain. 31 pairs of spinal nerves arise from the spinal cord. There are 12 pairs of cranial nerves.. Name of the Cranial Nerves. I. Olfactory n.. II. Optic n.. III. Occulomotor n.. IV. . Trochlear. n.. V. Trigeminal n.. VI. . Abducent. n.. VII. Facial n.. VIII. . Spinal Cord. CNS tissue is . _____________________________________ . from the foramen magnum to L. 1. Provides . _______________________________________ to . and from the brain. Protected by bone, . meninges. . Cranial nerves are spinal nerves that come out of the brain instead of the spinal cord.. Cranial Nerves. . Cranial nerves are spinal nerves that come out of the brain instead of the spinal cord.. HOSA – Future Health Professionals. On Fin . Old And. Olympus German. Towering Viewed. Top Some. A Hops. 12 pairs. I Olfactory VII Facial. II Optic VIII Acoustic. III Oculomotor IX Glossopharyngeal. . Central nervous system. The CNS (upper motor neuron) includes the brain and spinal cord. . which includes :. Cerebral hemispheres. White matter tracts. Cerebellum. Brain stem with cranial nerves. Day 7. 31 Pairs. Mixed nerves that provide 2-way communication between spinal cord and limbs, neck, and trunk. Named individually, grouped according to level which they arise.. Spinal Nerves. Cervical Nerves. Objectives. Identify cranial nerves and describe the function of each. Understand the signs and tests for CN dysfunction. Make an . accurate. model of the ventricle system of the brain. Discuss the clinical implications of dysfunction in the ventricular system. HONORS ANATOMY & PHYSIOLOGY. Spinal Cord. w/spinal nerves contain neural circuits that mediate some of your most rapid reactions to environmental changes. Protective Structures. 2 types of CT coverings surround & protect delicate nervous tissue. Spinal Cord. Location. Begins at the foramen magnum . Ends as conus medullaris at L. 1. vertebra. Functions. Provides two-way communication to and from the brain. Contains spinal reflex centers. Figure 12.30. Spinal nerve and Reflex arc. . Dr. . Qazi. . Imtiaz. . Rasool. OBJECTIVES. Recall . various components . of somatic nervous system. .. Explain . structure. of typical spinal nerve. (HRUS. ): A POSSIBLE RELEVANCE IN CLINICAL . PRACTICE. VALUTAZIONE DEI NERVI CRANICI CON ECOGRAFIA AD ALTA RISOLUZIONE (HRUS): POSSIBILE RILEVANZA NELLA PRATICA CLINICA. Ferdinando Sartucci . 1,2,3. , . are labeled . from superficial to deep as follows: . The outermost . dura. mater . (tough mother) forms a sac that encloses the entire . brain and spinal cord. .. The middle . covering is . a delicate avascular covering .