Cranial Nerves 2 PDF

cranial nerves - 2 Dr. AHMED ELBANA LEARNING OBJECTIVES: By the end of this lecture, the students will be able to: 1)Outline the origin, course, distribution and function of the cranial nerves 7 – 12 2) Explain the clinical manifestations of cranial nerve lesions on anatomical basis ...

cranial nerves - 2 Dr. AHMED ELBANA LEARNING OBJECTIVES: By the end of this lecture, the students will be able to: 1)Outline the origin, course, distribution and function of the cranial nerves 7 – 12 2) Explain the clinical manifestations of cranial nerve lesions on anatomical basis  ‫راجع‬# Facial Branchial Motor Muscles of facial expression Visceral Motor Parasympathetic to all glands of head except the parotid General Sensory Sensory for ear and tympanic membrane Special Sensory Taste anterior two-thirds of tongue Vestibulocochlear Special Sensory Hearing and Balance Branchial Motor Stylopharyngeus muscle Visceral Motor Parotid Gland Visceral Sensory Carotid Body Glossopharyngeal General Sensory Sensation posterior one-third tongue & internal surface of tympanic membrane. Special Sensory Taste posterior one-third tongue Branchial Motor Muscles pharynx & larynx Visceral Motor Parasympathetic to neck, thorax, & abdomen Vagus Visceral Sensory Sensory from pharynx, larynx & viscera Special Sensory Sensory from external ear Branchial Motor Spinal Accessory Trapezius & sternocleidomastoid muscles Hypoglossal Somatic Motor Tongue muscles except palatoglossal ‫‪#‬راجع‬ The Facial Nerve Facial nerve course and brnches Vestibulochoclear (= auditory = statoacoustic) Nerve Course of the vestibulochoclear nerve The Glossopharyngeal Nerve Deep origin and branches of 9th cranial nerve. Extra cranial part of 9th nerve General and taste sensations from the tongue The Vagus Nerve Deep origin and branches of vagus nerve. Extra cranial part of vagus nerve. The Accessory Nerve The Hypoglossal Nerve All muscles of tongue are supplied by hypoglossal nerve except palatoglossus supplied cranial part of accessory though vagus  ‫راجع‬# Facial Branchial Motor Muscles of facial expression Visceral Motor Parasympathetic to all glands of head except the parotid General Sensory Sensory for ear and tympanic membrane Special Sensory Taste anterior two-thirds of tongue Vestibulocochlear Special Sensory Hearing and Balance Branchial Motor Stylopharyngeus muscle Visceral Motor Parotid Gland Visceral Sensory Carotid Body Glossopharyngeal General Sensory Sensation posterior one-third tongue & internal surface of tympanic membrane. Special Sensory Taste posterior one-third tongue Branchial Motor Muscles pharynx & larynx Visceral Motor Parasympathetic to neck, thorax, & abdomen Vagus Visceral Sensory Sensory from pharynx, larynx & viscera Special Sensory Sensory from external ear Branchial Motor Spinal Accessory Trapezius & sternocleidomastoid muscles Hypoglossal Somatic Motor Tongue muscles except palatoglossal Acoustic neuroma References 1. Anatomy: an essential textbook (2013) 2. Snell clinical neuroanatomy 8th edition. 3. Neuroanatomy through clinical cases (2010)  Thank you Assistant prof. Ahmed Elbana 2023