Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Nervous System Greek and Latin Lexicon Match the Foreign root to its most appropriate English translation. Foreign Root 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. Angio Aster Baro Caud Cerebro Cephalo Cervic Ambi Coch Contra Cord Dys Oligo Oculo Optos Peri Presby Quadra Scler Soma Stimul Terti Tomy Trochle Verm Vill CODE A B C D E AB AC AD AE BC BD BE CD CE DE ABC ABD ABE ACD ACE ADE BCD BCE BDE CDE ABCD English Definition Around / surround Body Both Brain Excite Eye Few Four Hard Head Neck Old Other side Painful Pressure Pulley Rope Shaggy hair Spiral Star Tail Third To cut Vessel Vision Worm Page 1 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Cerebral Tracts and Connections - Match the nerve pathway / transmission to the Type of connection Transmission / Function 27. 28. 29. 30. 31. 32. 33. Between cortex and lower level CNS Between gyri of contralateral hemispheres Between gyri of Ipsolateral hemispheres Between the spinal cord and the diencephalon Between the vertebral ganglion and the effector Between the spinal cord and the visceral ganglion Between a different levels or sides of the spinal cord Tract A. Association / Arcuate B. Commissural C. Projection D. Spinothalmic E. Ganglionic AB. Post ganglionic AC. Pre-ganglionic AD. Interneuronal Match the type of receptor to its functional classification. SENSE Stimuli 34. 35. 36. 37. 38. 39. 40. 41. 42. Idea Cold Injury Balance Noise Salt Perfume Color Memory Receptor Class / Mechanism of Action A. Chemoceptive B. Cognitive / Perceptive C. Mechainical D. Nociceptive E. Photoceptive AB. Proprioceptive AC. Thermoceptive Page 2 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL List the meninges and associated structures and spaces going from superficial to deep lower number to higher number in the brain. See COLUMN XI Brain Anat. for choices Brain Cranium / skull 43. ___ membrane 44. ____membrane 45. ___space 46. ___membrane Cerebral cortex Classify the types of matter based on their anatomical relationship. Mark A for White OR B for Gray Location WHITE A GRAY B 47. SPINAL CORTEX 48. SPINAL MEDULLA 49. CEREBELLAR MEDULLA 50. CEREBRAL CORTEX 51. Histologically, neural tissue dominated by myelinated axons is defined as _______________. A. white matter B. neuroglia C. neural cortex D. gray matter Page 3 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Match Table of Nerve Plexuses, Cranial, Spinal and ANS / Visceral Sections to their general site of innervation. The plexi / groups are listed in alphabetical order. Principal Region of Innervations 52. Gluteals, Tensor fasciae late, hamstrings, leg, perineum, male erectile structures 53. Head, neck, thorax and larynx 54. Obliques, femoral, genitalia, medial leg and foot 55. Pectoral girdle and arm 56. Small and large Intestine 57. Stomach, liver, spleen and kidney CODE Plexus Name A Brachial B Cardiac C Celiac D Cervical E Cranial AB Lumbar AC Mesenteric AD Renal AE Sagittal Page 4 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Neuron Type and Function Fill In the following Table of Classification. Where appropriate, Mark all that apply. Use the following lists. NEURON TYPE NAME 58. 59. 60. 61. ANAT Description 62. 63. 64. 65. FXNL Description 66. 67. 68. 69. CODE A B C D E NAME Anatomical Descriptor Functional Descriptor Anaxonic Bipolar Multipolar Pseudounipolar More than 1 Process More than 1 Axon Axon vs Dendrite not defined Single Process Single Axon Nerve impulses pass through cell soma Nerve impulses pass outside cell soma Page 5 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Classification of the Major Responsibilities of the Histological organization of the Nervous. Match the responsibility with the following choices of cell and location / division. Responsibility CELL Blood Brain Barrier Protection Nutrient, NT regulation Centrally Blood Brain Barrier Protection Nutrient, NT regulation Peripherally Myelination of Central Axons Myelination of Peripheral Axons Phagocytosis Produce Cerebrospinal Fluid CODE 70. 71. 72. 73. 74. 75. __ __ __ __ __ __ Cells A B C D E AB AC AD Astrocyte Ependymal Gleefulglia Microglia Myloglial Oligodendrocyte Satellite Schwan Page 6 of 28 DIV 76. 77. 78. 79. 80. 81. __ __ __ __ __ __ DIV CNS DNS MNS PNS QRS Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Fill In or match the inquiry with its most appropriate term in the column at the right. 82. 83. 84. 85. Illustration of “patient” _______________, R or L, Aspect of this illustration, front or back Name this complex of nerves as illustrated. Name these structures V Illustration of Nerve Architecture 86. 87. 88. 89. Name these structures X Name these structures U Name these structures Z Name these structures Y CODE CHOICES A B C D E AB AC AD AE BC BD BE CD CE DE ABC ABD ABE ACD ACE ADE Anterior Brachial Plexus Celiac Plexus Cervical Plexus Cervical Vertebrae Cords Cranial Nerves Divisions Lateral Left Lumbar Plexus Nerves Peripheral Nerves Posterior Rami Communicantes Right Roots Sagittal Thoracic Nerves Trunks None of the Above Page 7 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Schematic Diagram of Nervous System Functional Organization Fill in the missing labels. Use Column XXII N S Architecture for choices 90. Name this direction XYZ 91. Name this receptor Y 92. Name this receptor X 93. 94. 95. 96. 97. 98. Name this division U Name this division S Name this classification of structures Q Name this division P Name this division W Name this division V Page 8 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL THIS PAGE PURPOSELY REMAINS BLANK Page 9 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL CNS Structure and Function. Fill in the following table. Note DIFFERENT COLUMNS for choices. Major Anatomical Structure / Region ANSWER from Column XI Minor / Sub Structure Region Column XI Cerebrum Function ANSWER from Column XIV 99. ____ Cerebral Cortex Synthesizes thought and memory and desire, conscience and consciousness Performs higher level analytical functions, voluntary movement, sensory interpretation, association and integration 100. _____ Cerebral Tracts Association, Commissural and Projection nerve pathways Diencephalon Contains all Thalamic structures Epithalamus 101. ____ Subthalamus 102. ____ Secretes melatonin that controls our daily rhythms and is responsible for sleep cycle Contains Pineal Gland Processes, integrates and may determine both Emotion and Memory Receive(s) all sensory input except smell Relays all sensory input from brain stem to cerebral cortex Superior extensions of the Substantia nigra and Red nucleus 103. ____ Controls pituitary gland with hormones and neurotransmitters Page 10 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS CNS Structure and Function continued Major Anatomical Structure / Minor / Sub Region Structure Region ANSWER from Column XI Column XI Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Function ANSWER from Column XIV 104. ____ Coordinates body movements, posture, fine motor control and proprioception Regulates posture, balance and interprets intended movement with actual movement 105. ____ Contains the midbrain, pons, medulla oblongata and RAS Midbrain / Mesencephalon 106. ___ Medulla Oblongata AV data processing, alertness lower consciousness Regulates alertness, RAS association Relay station between the cerebrum and spinal cord and / or cerebellum; reflex center Transmits Sensory information to cerebellum and thalamus AB Coordinates information bilaterally within cerebellum and between medulla oblongata and midbrain and regulates breathing Relays sensory and motor input from spinal cord to brain, right side to left side and vice versa crossover of many spinal nerves Regulates consciousness, heart rate, coughing breathing and sneezing and digestion homeostasis 107. _____ Page 11 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL CNS Structure and Function continued Major Anatomical Structure / Minor / Sub Region Structure Region ANSWER from Column XIII Column XIII 108. ___ Connects SNS and CNS to all levels of the Brain Protected by the vertebral column Protected by spinal meninges White Matter / Myelinated Ascending and Descending Tracts Gray Matter, densely nucleated 109. Dorsal Root 112. ____ Bundles SENSORY information and transports to higher centers A Bundles MOTOR information and transports to lower centers and effectors Synapse and collateral transmission for SENSORY information to ascending tracts and reflex arcs Contains and bundles Peripheral nerves Carries Motor and Sensory information to and from the CNS ____ Peripheral Nerve Function ANSWER from Column XIV 110. ___ Carries afferent nerve impulses Dorsal Root Ganglion Contains Cell bodies of SENSORY nerve fibers Ventral Root Carries Motor nerve impulses to effector targets 111. ____ Transmits SNS and ANS information between somatic and visceral receptor and CNS Responds to Determined stimulus Page 12 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Identify the structures indicated. See COLUMN XV for choices Illustration of Human Brain 113. 114. 115. Name this space Q Name this structure region Z Name this space W 116. 117. 118. Name this space U Name this structure T Name this structure U Page 13 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Identify the indicated structures. See COLUMN XV Brian Interior for choices Illustration of Human Brain 119. 120. 121. 122. Name this structure U Name this structure M Name this structure X Name this structure Q 123. 124. 125. 126. Name this structure Name this structure Name this structure Name this structure V O T M Page 14 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Complete the following Table of Cranial Nerves. Select choices from the INDICATED COLUMNS. Hint: What is the rational for this classification? Nerve Column XVI 127. __ Vagus 131. Roman Numeral Designation XVI VIII 129. __ 133. 135. II __ Olfactory 128. __ IV Trigeminal 136. FNXL Pathway XVI __ __ III __ Regions / Organs of Innervation XVII Hearing and Equilibrium Both Sensory and Motor 130. 132. Eye movement / superior oblique muscle __ __ Both Sensory and Motor 134. Special Sensory Retina / vision 137. 138. __ __ __ Motor Eye Muscles / Eye palpebrae / Eye Movement 140. Hypoglossal 139. __ Motor 141. __ 142. __ Both Sensory and Motor Tongue, pharynx, palate, carotid arteries, CO2, o2, pH, parotid salivary glands 143. __ 144. __ Both Sensory and Motor Gustation, facial expression lacrimal, salivary glands 145. __ 146. __ Motor Palate, pharynx, larynx / swallowing 147. __ VI Motor Eye movement / lateral oblique muscle __ Page 15 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Spinal Cord Anatomy. Match the Anatomical term with its corresponding indicator. See COLUMN XIX for choices Muscle and Nerve Nomenclature Muscle 148. Name this structure % Nerve 149. 150. 151. Name this membrane $ Name this membrane % Name this structure @ Page 16 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX Exam 4 NS SS Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Name these neuronal circuit types. Choose from COLUMN XVIII for choices. Neuronal Circuits Illustration 152. __ 153. __ 154. __ 155. __ 156. __ Page 17 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Match the CODE with its most appropriate function listed below 157. 158. 159. 160. 161. 167. CNS Conducts information to and from the brain Connects CNS to muscles and glands Connects Sensory organs to CNS Controls involuntary responses 162. Controls voluntary movements 163. Fight and Flight 164. PNS 165. Receives, stores and processes sensory information, initiates responses, generates thoughts memories and emotions 166. Rest and Digest Which of the following divisions carries motor commands to muscles and glands? A. the efferent division of the peripheral nervous system B. the afferent division of the peripheral nervous system C. the afferent division of the central nervous system D. the efferent division of the central nervous system Page 18 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Identify the indicated structures. Use Column XXIII for answer choices. Diagram of Sagittal Section of Human Eye 168. 169. 170. 171. 172. Name this structure space Q Name the structure that occupies this space Q Name this structure T Name this structures Z 173. Name this structure W 174. Name the fluid / humor which this structure W produces 175. Name this space X 176. Name this space N Page 19 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Identify the indicated structures. Use Column XXIV for answer choices. Diagram of a Sagittal section of the Human ear 177. 178. Name this structure X Name this structure R 179. Name this structure(s) Z 180. The complex of statoconia (densely packed calcium carbonate crystals) and gelatinous matrix in the inner ear is called a/an _______________. A. auricle B. endolymphatic duct C. ossicle D. endolymphatic sac E. otolith Page 20 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL Illustration of the ______ 181. 182. Cochlear duct Cochlear nerve 183. Organ of Corti 184. 185. 186. 187. Temporal bone Tympanic canal / duct Vestibular canal / duct Vestibulocochlear nerve Page 21 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL END OF MTX 4 Page 22 of 28 Document1 Biology 218 – Human Anatomy MTX Exam 4 NS SS Session: Section: Days / Time: Instructor: Fall 2014 52999 MW 5:00 PM – 9:20 PM RIDDELL THIS PAGE PURPOSELY REMAINS BLANK Page 23 of 28 Document1 Biology 218 – Human Anatomy MTX3 CV NS Session: Section: Days / Time: Instructor: Fall 2011 52999 M W 5:00 PM – 9:20 PM RIDDELL ANSWER CHOICE CODES CODE A B C D E AB AC AD AE BC BD BE CD CE DE ABC ABD ABE ACD ACE ADE BCD BCE BDE CDE ABCD ABCE ACDE BCDE ABCDE X ANS Acetylcholine Adrenaline ATP Cervical Cranial Sacral Dopamine Enteric Extrinsic Lumbar Sacral No Nor-epinephrine Parasympathetic Post-Ganglion Parasympathetic Pre-Ganglion Some Sympathetic Post-Ganglion Sympathetic Pre-Ganglion Thoraco-lumbar Yes Yes and No XI Brain Anat Arachnoid mater Arachnoid villi Brain Stem Cerebellum Cerebrum Deincephalon Dura mater Epithalamus Gray Matter Hypothalamus Medulla Oblongata Midbrain / Mesencephalon Peripheral Nerve Pia mater Pons Spinal Cord Spinal Nerve Subthalamus Subarachnoid Subdural Thalamus White Matter You've Got Nerve None of The Above All of the Above Page 24 of 28 Document1 Biology 218 – Human Anatomy MTX3 CV NS CODE A B C D E AB AC AD AE BC BD BE CD CE DE ABC ABD ABE ACD ACE ADE BCD BCE BDE CDE ABCD ABCE ACDE BCDE ABCDE XII Neuron / Glia / Fxn Astrocyte CNS CSF Production Ependymal Microglia Myelination of CNS Axons Myelination of PNS Axons Oligodendrocyte Phagocytosis PNS Satellite Schwan Structure and Blood Brain Barrier Protection Nutrient Neurotransmitter regulation Session: Section: Days / Time: Instructor: Fall 2011 52999 M W 5:00 PM – 9:20 PM RIDDELL XIII CNS Assoc and Commissural Tracts Brain Stem Cerebral Cortex Cerebral Tracts Cerebellum Cerebrum Diencephalon Dorsal Root Ganglion Epithalamus Ganglia Hypothalamus Medulla Oblongata Midbrain / Mesencephalon Peripheral Nerve Pons Posterior Gray Horn Posterior Spinal Nerve Root Sensory Receptor Spinal cord Spinal Cord White Matter Spinal Cord Gray Mater Spinal nerve Subthalamus Thalamus Ventral root XIV Brain Region Functions Bundles SENSORY information and transports to higher centers Carries efferent nerve impulses Connects SNS and CNS to all levels of the Brain Carries Sensory nerve impulses from receptors to CNS Contains Gray and White Matter of the Brain, Cortex, Tracts and Ganglia Controls pituitary gland with hormones and neurotransmitters Determines “personality” Maintain homeostasis / regulating hunger, sleep, thirst, temperature, water balance Regulates consciousness, heart rate, respiratory reflex and digestion homeostasis Transmits Sensory information to cerebellum and thalamus Transmits SNS and ANS information between to somatic and visceral receptors Transmits SNS and ANS information between somatic and visceral receptor and CNS X-OVER relay of sensory information to thalamus, brain stem, R to L and vice versa Page 25 of 28 Document1 Biology 218 – Human Anatomy Session: Section: Days / Time: Instructor: MTX3 CV NS CODE A B C D E AB AC AD AE BC BD BE CD CE DE ABC ABD ABE ACD ACE ADE BCD BCE BDE CDE ABCD ABCE ACDE BCDE ABCDE XV Brain Interior Anterior Arachnoid Mater Arachnoid villi / granulosum Brain Stem Central Canal Cerebellum Cortex Cerebrum Choroid plexus Corpus Callosum Dura mater Falx cerebri Hemispherical Sulcus Inferior Lateral Sulcus / Ventricle Left Longitudinal Fissure Medulla Oblongata Midbrain / Mesencephalon Parieto-occipital Sulcus Peripheral Nerve Pia Mater Pons Post central Gyrus Posterior pituitary Pre-central Gyrus Septum Pellucidum Thalamic intermediate mass 3RD Ventricle 4th Ventricle XVI Cranial Nerves Abducens Accessory Facial Glosso-pharyngeal Hypoglossal Oculomotor Olfactory Optic Trigeminal Trochlear Vagus Vestibulocochlear I II III IV IX V VI VII VIII X XI XII XIII Both / Mixed M&S Motor Sensory Special Sensory Fall 2011 52999 M W 5:00 PM – 9:20 PM RIDDELL XVII Cranial Nerve Regions of Innervation / FXN Eye movement / lateral oblique muscle Eye movement / superior oblique muscle Gustation, facial expression lacrimal, salivary glands Hearing and Equilibrium Jaws, nasal cavity, frontalis, palpebrae, eyebrows, lips, gums, teeth, palate Olfactory bulbs / smell Palate, pharynx, larynx / swallowing Pharynx, diaphragm, thoracic and abdominopelvic viscera, / homeostasis Retia / vision Eye Muscles / Eye palpebrae / Eye Movement Tongue / speech kissing and eating Tongue, pharynx, palate, carotid arteries, CO2, o2, pH, parotid salivary glands Page 26 of 28 Document1 Biology 218 – Human Anatomy MTX3 CV NS CODE A B C D E AB AC AD AE BC BD BE CD CE DE ABC ABD ABE ACD ACE ADE BCD BCE BDE CDE ABCD ABCE ACDE BCDE ABCDE XVIII Neurons Neural Circuits Anaxonal Bipolar Converging / Combining Diverging / Cascading Multipolar Multipotent Paralllel Pluripotent Polipolar Polipotent Pyramidal Reverberating / Echoing / reinforcing Serial / sequential Totipotent Unipolar Session: Section: Days / Time: Instructor: XIX Neuron Cell Anat Axolemma Axon Axoplasm Endomysium Endoneruium Epimysium Epineurium Filament Myomysium Myoneurium Nerdineurium Neurolemma Perimysium Perineurium Periosteum Plasmalemma Sarcolemma Sarcoplasm Tendon Fall 2011 52999 M W 5:00 PM – 9:20 PM RIDDELL XX Plexi Regions of Innervation XXI Nerve Counts Autonomic -Symp and Parasymp Abdominal, Gluteal, Femoral, Genital, Tibial, Fibular, Plantar Arteries of Kidneys and Ureters Bronchus Cervical Esophagus Heart Head, Neck, Shoulders, Chest and Diaphragm Intestines Kidneys and Ureters Liver, Gallbladder, Pancreas, Spleen, Adrenal, Gonads Lumbar Parasympathetic Pelvic Viscera Perineal and Genital Sacral Dermis Scalp, Cephalic, Cervical, Neck, Throat and Diaphragm Spinal Stomach, Spleen Pancreas Sympathetic Thoracic None of the above All of the Above 1 2 3 4 5 6 7 8 9 10 11 12 Multiple None Page 27 of 28 Document1 Biology 218 – Human Anatomy MTX3 CV NS CODE A B C D E AB AC AD AE BC BD BE CD CE DE ABC ABD ABE ACD ACE ADE BCD BCE BDE CDE ABCD ABCE ACDE BCDE ABCDE XXII NS Architecture Afferent NS Acetylcholine ATP Cervical CNS Cranial Sacral Dopamine Efferent Extrinsic Lumbar Sacral Nor-epinephrine Parasympathetic Parasymp Pre-Gang PNS SNS Sympathetic Visceral / Entero receptors Special Sense Receptors Somatic Receptors Skeletal Muscle Sensory Info Motor Info Visceral Effectors Session: Section: Days / Time: Instructor: Fall 2011 52999 M W 5:00 PM – 9:20 PM RIDDELL XXIII Eye Aqueous Blind Spot Canthus Central vasculature Choroid Ciliary Muscle Conjunctiva Cul de sac Fovea Iris Lens Limbus Optic Disc Optic nerve Pupil Retina Sclera Suspensory Ligaments Tear Film Trabeculae Vitreous XXIV Ear Audition Auditory ossicles Auricle Cochlea Cochlear Branch Equilibrium Eustachian Tube Ext Aud Meatus External Ear Gustation Inner ear Int Aud Meatus / Canal Malleolus Middle ear Petrous Process Pinna Semi-circular canals Stapes Temporal Tympanum Vestibulaocochlear nerve Vestibular Branch Vestibule Vision Page 28 of 28 Document1