Cranial nerve, Nervous system, Anatomy and Physiology

this will be beneficial for bsc nursing and msc nursing students

1. By: Mr. Vipin Chandran

2. Cranial Nerve I OLFACTORY NERVE

3. Com p on e nt: Sen s ory Function: Smell Opening to the Skull: Openings in cribriform plate of ethmoid Origin: Olfactory receptor nerve cells

4. Cranial Nerve II OPTIC NERVE

5. Com p on e nt: Sen s ory Function: Vision Opening to the Skull: Optic Canal Origin: Back of the eyeball

6. Cranial Nerve III OCULOMOTOR NERVE

7. Component: Motor Function: Raises upper eyelid Turns eyeball upward, downward and medially Constricts pupil Accommodates the eye Opening to the Skull: Superior orbital fissure Origin: Anterior surface of the midbrain

8. Cranial Nerve IV TROCHLEAR NERVE

9. Component: Motor Function: Assisting in turning eyeball downward and laterally Opening to the Skull: Superior orbital fissure Origin: Posterior surface of the midbrain

10. Cranial Nerve V TRIGEMINAL NERVE V1. Opthalmic nerve V2. Maxillary Nerve V3. Mandibular Nerve

11. V. Trigeminal Nerve

12. Cranial Nerve V I ABDUCENS NERVE

13. Component: Motor Function: Lateral rectus muscle turns eyeball laterally Opening to the Skull: Superior orbital fissure Origin: Anterior Surface of hindbrain between pons and medulla

14. VI. Abducens Nerve

15. Cranial Nerve VI I FACIAL NERVE

16. Component: M ixed Function: Touch, pain & thermal sensation, secretions of tears and saliva. VII. Facial nerve

17. Cranial Nerve VI II VESTIBULOCOCHLEAR NERVE

18. Component: Sensory Function: Hearing and Equilibrium VIII. Vestibulocochlear nerve

19. Cranial Nerve IX GLOSSOPHARYNGEAL NERVE

20. Component: Mixed Function: Taste, Swallowing, Secretions of saliva, Monitor BP, O2 & Co2 level in blood. IX. Glossopharyngeal nerve

21. Cranial Nerve X VAGUS NERVE

22. Component: Mixed Function: Taste, Swallowing, Vocalization, Coughing, decrease heart rate, Constriction of Respiratory passageways. X. Vagus nerve

23. Cranial Nerve XI ACCESSORY NERVE

24. Component: Motor Function: Movement of head and P ectoral girdle. XI. Accessory nerve

25. Cranial Nerve XII HYPOGLOSSAL NERVE

26. Component: Motor Function: Speech, Manipulation of food and Swallowing . XII. Hypoglossal nerve