md0006 - BASIC HUMAN ANATOMY.pdf - Raems.com

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11-13. CEREBROSPINAL FLUID (CSF) A clear fluid called cerebrospinal fluid (CSF) is found in the cavities of the CNS. CSF is found in the ventricles of the brain (para 11-9d), the subarachnoid space (para 11-11b(2)), and the central canal of the spinal cord (para 11-10b(1)). CSF and its associated structures make up the circulatory system for the CNS. a. Choroid Plexuses. Choroid plexuses are special collections of arterial capillaries found in the roofs of the third and fourth ventricles of the brain. The choroid plexuses continuously produce CSF from the plasma of the blood. b. Path of the CSF Flow. Blood flows through the arterial capillaries of the choroid plexuses. As CSF is produced by the choroid plexuses, it flows into all four ventricles. CSF from the lateral ventricles flows into the third ventricle and then through the cerebral aqueduct into the fourth ventricle. By passing through three small holes in the roof of the fourth ventricle, CSF enters the subarachnoid space. From the subarachnoid space, the CSF is transported through the arachnoid villi (granulations) into the venous sinuses. Thus, the CSF is formed from arterial blood and returned to the venous blood. 11-14. GENERAL Section IV. THE PERIPHERAL NERVOUS SYSTEM (PNS) a. Definitions. (1) The peripheral nervous system (PNS) is that portion of the nervous system generally concerned with commands for skeletal muscles and other muscles made up of striated muscle tissue, as well as sensory information from the periphery of the body. The sensory information is carried to the CNS where it is processed. The PNS carries commands from the CNS to musculature. (2) A nerve is a collection of neuron processes, together and outside the CNS. (A fiber tract is a collection of neuron processes, together and inside the CNS.) b. General Characteristics of the Peripheral Nerves. The PNS is made up of a large number of individual nerves. These nerves are arranged in pairs. Each pair includes one nerve on the left side of the brainstem or spinal cord and one nerve on the right side. The nerve pairs are in a series, each pair resembling the preceding, from top to bottom. c. Categories of PNS Nerves. PNS nerves include cranial nerves and spinal nerves. MD0006 11-15
(1) Cranial nerves. The 12 pairs of nerves attached to the right and left sides of the brainstem are called cranial nerves. Each cranial nerve is identified by a Roman numeral in order from I to XII and an individual name. For example, the Vth ("fifth") cranial nerve is known as the trigeminal nerve (N.). TRI = three GEMINI = alike TRIGEMINAL = having three similar major branches (2) Spinal nerves. Attached to the sides of the spinal cord are 31 pairs of spinal nerves. The spinal nerves are named by: (a) The region of the spinal cord with which the nerve is associated. (b) An Arabic numeral within the region. For example, T-5 is the fifth spinal nerve in the thoracic region. 11-15. A "TYPICAL" SPINAL NERVE In the human body, every spinal nerve has essentially the same construction and components. By learning the anatomy of one spinal nerve, you can understand the anatomy of all spinal nerves. a. Parts of a "Typical" Spinal Nerve (figure 11-8). Like a tree, a typical spinal nerve has roots, a trunk, and branches (rami). Figure 11-8. A "typical" spinal nerve with a cross section of the spinal cord. MD0006 11-16
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U. S. ARMY MEDICAL DEPARTMENT CENTE
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TABLE OF CONTENTS Lesson Paragraphs
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9 THE HUMAN CARDIOVASCULAR AND LYMP
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MD0006 v LIST OF ILLUSTRATIONS Figu
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MD0006 vii LIST OF TABLES Table Pag
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Material Furnished: In addition to
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LESSON ASSIGNMENT LESSON 1 Introduc
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terminology. Accountants have debit
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. Head and Neck. The brain, eyes, e
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Figure 1-2. Anatomical position and
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1-11. NAMES a. Names are chosen to
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d. Mitochondria (Plural). Mitochond
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5. What is a cell? 6. What is a tis
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15. In figure 1-6, three points are
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18. In figure 1-8, parts of a "typi
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14. a. Midsagittal or median plane.
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2-1. DEFINITION LESSON 2 TISSUES OF
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d. Functions. According to its loca
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. Types of Bone Tissues. There are
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Figure 2-4. A neuron. Figure 2-5. A
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8. Characteristic cells of fibrous
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SOLUTIONS TO EXERCISES, LESSON 2 1.
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LESSON ASSIGNMENT LESSON 3 The Huma
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3-2. COVERINGS OF THE HUMAN BODY Th
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3-6. GLANDS The types of glands inc
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3-13. BURSA a. A bursa (figure 3-3)
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EXERCISES, LESSON 3 REQUIREMENT. Th
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16. The term serous refers to a . S
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13. Sebaceous glands produce an oil
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MD0006 4-2 4-13. Describe the gener
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Section II. BONE AS AN INDIVIDUAL O
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4-5. DEVELOPMENT OF AN INDIVIDUAL B
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Example: The frontal bone. (The fro
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d. Capsule. The "typical" synovial
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(2) In the plane joint, the contact
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Figure 4-3B. Posterior view of the
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(d) The sacrum, which is a bony fus
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Figure 4-6. The human skull (front
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PART UPPER MEMBER LOWER MEMBER GIRD
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Figure 4-8. The human scapula and c
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Figure 4-10. The human hand. Figure
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Figure 4-13. The human foot. MD0006
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7. In the early fetus, bones are pr
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17. Name and define the two major s
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19. The regions of the vertebral co
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5-1. MUSCLE TISSUES LESSON 5 THE HU
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Figure 5-1. Skeletal and facial mus
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a. Trunk Musculature. The trunk mus
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. Sesamoid bones, such as the patel
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6-1. GENERAL LESSON 6 THE HUMAN DIG
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a. Teeth. Figure 6-2. Anatomy of th
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6-4. PHARYNX The pharynx (pronounce
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common bile duct. The common bile d
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14. The texture of the pancreas is
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10. The process of digestion is fac
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7-1. INTRODUCTION LESSON 7 THE HUMA
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SUBDIVISION FUNCTION (1) SUPRALARYN
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(2) Oropharynx. The portion of the
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Figure 7-4. Infralaryngeal structur
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7-8. DIAPHRAGMATIC (ABDOMINAL) BREA
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9. The functions of the supralaryng
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8-3. THE KIDNEY a. General. (1) The
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the cortex layer, it once again bec
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eginning of an embryo (the process
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(2) Wall structure. The inner linin
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Figure 8-5. The human male genital
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(1) Surrounding the urethra is a ce
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8. The first coiled portion of the
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21. The external genitalia of the h
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19. The inner lining of the uterus
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Page 157 and 158: LESSON 9 THE HUMAN CARDIOVASCULAR A
Page 159 and 160: (1) Red blood cells (erythrocytes).
Page 161 and 162: (1) The arteries carry blood away f
Page 163 and 164: (3) Relationship of wall thickness
Page 165 and 166: ecome closed for whatever reason, t
Page 167 and 168: Figure 9-5. Main arteries of the hu
Page 169 and 170: Figure 9-6. Main veins of the human
Page 171 and 172: a. Lymphatic Capillaries. Lymphatic
Page 173 and 174: 5. The most common types of white b
Page 175 and 176: 18. In the case of collateral circu
Page 177 and 178: SOLUTIONS TO EXERCISES, LESSON 9 1.
Page 179 and 180: 15. The coronary arteries supply "n
Page 181 and 182: LESSON ASSIGNMENT LESSON 10 The Hum
Page 183 and 184: . The Endocrine System. In the huma
Page 185 and 186: e. Of the many hormones produced by
Page 187 and 188: hormones are involved in the mobili
Page 189 and 190: 5. The pituitary body is a small -s
Page 191 and 192: SOLUTIONS TO EXERCISES, LESSON 10 1
Page 193 and 194: 13. During the first half of the me
Page 195 and 196: MD0006 11-2 11-12. Define periphera
Page 197 and 198: 11-5. NEURON PROCESSES Figure 11-1.
Page 199 and 200: a. The Synapse. A synapse (figure 1
Page 201 and 202: system (ANS). The CNS is made up of
Page 203 and 204: Figure 11-5B. Human brain (bottom v
Page 205 and 206: d. Ventricles. Within the brain, th
Page 207: Figure 11-7. A schematic diagram of
Page 211 and 212: (4) Visceral motor neurons of the A
Page 213 and 214: organ. The cell bodies of the secon
Page 215 and 216: (2) Motor pathways. A motor pathway
Page 217 and 218: 11-26. GENERAL Section IX. THE SPEC
Page 219 and 220: c. Internal Structures of the Eyeba
Page 221 and 222: (5) Iris. Another structure formed
Page 223 and 224: 11-30. GENERAL Section X. THE SPECI
Page 225 and 226: 11-33. THE INTERNAL EAR a. Labyrint
Page 227 and 228: Figure 11-14. Diagram of the scalae
Page 229 and 230: 11-36. SEMICIRCULAR DUCTS (FIGURE 1
Page 231 and 232: f. Cerebellum. The cerebellum has b
Page 233 and 234: 7. Each item below refers to the th
Page 235 and 236: 18. Groups of related functions are
Page 237 and 238: 30. If it carries information from
Page 239 and 240: 46. Name examples of general senses
Page 241 and 242: 61. The orbit is the cavity in the
Page 243 and 244: 73. The central column of the cochl
Page 245 and 246: SOLUTIONS TO EXERCISES, LESSON 11 1
Page 247 and 248: 19. The ventricles of the brain are
Page 249 and 250: 34. In the ANS, the number of neuro
Page 251 and 252: 52. The outermost layer of the eyeb
Page 253 and 254: ossicles are: malleus, incus, and s
Page 255: COMMENT SHEET SUBCOURSE MD0006 Basi
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