md0006 - BASIC HUMAN ANATOMY.pdf - Raems.com

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Figure 1-4. A "typical" animal cell (as seen in an electron microscope). 1-13. MAJOR COMPONENTS OF A "TYPICAL" ANIMAL CELL a. Nucleus. The nucleus plays a central role in the cell. Information is stored in the nucleus and distributed to guide the life processes of the cell. This information is in a chemical form called nucleic acids. Two types of structures found in the nucleus are chromosomes and nucleoli. Chromosomes can be seen clearly only during cell divisions. Chromosomes are <strong>com</strong>posed of both nucleic acid and protein. Chromosomes contain genes. Genes are the basic units of heredity which are passed from parents to their children. Genes guide the activities of each individual cell. b. Cell Membrane. The cell membrane surrounds and separates the cell from its environment. The cell membrane allows certain materials to pass through it as they enter or leave the cell. c. Cytoplasm. The semifluid found inside the cell, but outside the nucleus, is called the cytoplasm. MD0006 1-10
d. Mitochondria (Plural). Mitochondria are the "powerhouses" of the cell. The mitochondria provide the energy wherever it is needed for carrying on the cellular functions. e. Endoplasmic Reticulum. The endoplasmic reticulum is a network of membranes, cavities, and canals. The endoplasmic reticulum helps in the transfer of materials from one part of the cell to the other. f. Ribosomes. Ribosomes are "protein factories" in the cell. They are <strong>com</strong>posed mainly of nucleic acids which help make proteins according to instructions provided by the genes. g. Centrioles. Centrioles help in the process of cell division. h. Lysosomes. Lysosomes are membrane bound spheres which contain enzymes that can digest intracellular structures or bacteria. 1-14. CELL MULTIPLICATION (MITOSIS) Individual cells have fairly specific life spans. Some types of cells have longer life spans than others. During the processes of growth and repair, new cells are being formed. The usual process of cell multiplication is called mitosis. There are two important factors to consider: a. From one cell, we get two new cells. b. The genes of the new cells are identical (for all practical purposes) to the genes of the original cell. 1-15. HYPERTROPHY/HYPERPLASIA Hypertrophy and hyperplasia are two ways by which the cell mass of the body increases. a. With HYPERTROPHY, there is an increase in the size of the individual cells. No new cells are formed. An example is the enlargement of muscles due to exercise by the increased diameter of the individual striated muscle fibers. b. With HYPERPLASIA, there is an increase in the total number of cells. An example of abnormal hyperplasia is cancer. c. ATROPHY is seen when there is a loss of cellular mass. Continue with Exercises MD0006 1-11
Page 1 and 2: U. S. ARMY MEDICAL DEPARTMENT CENTE
Page 3 and 4: TABLE OF CONTENTS Lesson Paragraphs
Page 5 and 6: 9 THE HUMAN CARDIOVASCULAR AND LYMP
Page 7 and 8: MD0006 v LIST OF ILLUSTRATIONS Figu
Page 9 and 10: MD0006 vii LIST OF TABLES Table Pag
Page 11 and 12: Material Furnished: In addition to
Page 13 and 14: LESSON ASSIGNMENT LESSON 1 Introduc
Page 15 and 16: terminology. Accountants have debit
Page 17 and 18: . Head and Neck. The brain, eyes, e
Page 19 and 20: Figure 1-2. Anatomical position and
Page 21: 1-11. NAMES a. Names are chosen to
Page 25 and 26: 5. What is a cell? 6. What is a tis
Page 27 and 28: 15. In figure 1-6, three points are
Page 29 and 30: 18. In figure 1-8, parts of a "typi
Page 31 and 32: 14. a. Midsagittal or median plane.
Page 33 and 34: 2-1. DEFINITION LESSON 2 TISSUES OF
Page 35 and 36: d. Functions. According to its loca
Page 37 and 38: . Types of Bone Tissues. There are
Page 39 and 40: Figure 2-4. A neuron. Figure 2-5. A
Page 41 and 42: 8. Characteristic cells of fibrous
Page 43 and 44: SOLUTIONS TO EXERCISES, LESSON 2 1.
Page 45 and 46: LESSON ASSIGNMENT LESSON 3 The Huma
Page 47 and 48: 3-2. COVERINGS OF THE HUMAN BODY Th
Page 49 and 50: 3-6. GLANDS The types of glands inc
Page 51 and 52: 3-13. BURSA a. A bursa (figure 3-3)
Page 53 and 54: EXERCISES, LESSON 3 REQUIREMENT. Th
Page 55 and 56: 16. The term serous refers to a . S
Page 57 and 58: 13. Sebaceous glands produce an oil
Page 59 and 60: MD0006 4-2 4-13. Describe the gener
Page 61 and 62: Section II. BONE AS AN INDIVIDUAL O
Page 63 and 64: 4-5. DEVELOPMENT OF AN INDIVIDUAL B
Page 65 and 66: Example: The frontal bone. (The fro
Page 67 and 68: d. Capsule. The "typical" synovial
Page 69 and 70: (2) In the plane joint, the contact
Page 71 and 72: 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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SOLUTIONS TO EXERCISES, LESSON 4 1.
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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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EXERCISES, LESSON 5 REQUIREMENT. Th
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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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EXERCISES, LESSON 6 REQUIREMENT. Th
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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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LESSON ASSIGNMENT LESSON 8 The Huma
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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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LESSON ASSIGNMENT LESSON 9 The Huma
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LESSON 9 THE HUMAN CARDIOVASCULAR A
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(1) Red blood cells (erythrocytes).
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(1) The arteries carry blood away f
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(3) Relationship of wall thickness
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ecome closed for whatever reason, t
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Figure 9-5. Main arteries of the hu
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Figure 9-6. Main veins of the human
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a. Lymphatic Capillaries. Lymphatic
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5. The most common types of white b
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18. In the case of collateral circu
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15. The coronary arteries supply "n
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LESSON ASSIGNMENT LESSON 10 The Hum
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. The Endocrine System. In the huma
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e. Of the many hormones produced by
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hormones are involved in the mobili
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5. The pituitary body is a small -s
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SOLUTIONS TO EXERCISES, LESSON 10 1
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13. During the first half of the me
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MD0006 11-2 11-12. Define periphera
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11-5. NEURON PROCESSES Figure 11-1.
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a. The Synapse. A synapse (figure 1
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system (ANS). The CNS is made up of
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Figure 11-5B. Human brain (bottom v
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d. Ventricles. Within the brain, th
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Figure 11-7. A schematic diagram of
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(1) Cranial nerves. The 12 pairs of
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(4) Visceral motor neurons of the A
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organ. The cell bodies of the secon
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(2) Motor pathways. A motor pathway
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11-26. GENERAL Section IX. THE SPEC
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c. Internal Structures of the Eyeba
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(5) Iris. Another structure formed
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11-30. GENERAL Section X. THE SPECI
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11-33. THE INTERNAL EAR a. Labyrint
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Figure 11-14. Diagram of the scalae
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11-36. SEMICIRCULAR DUCTS (FIGURE 1
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f. Cerebellum. The cerebellum has b
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7. Each item below refers to the th
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18. Groups of related functions are
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30. If it carries information from
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46. Name examples of general senses
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61. The orbit is the cavity in the
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73. The central column of the cochl
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SOLUTIONS TO EXERCISES, LESSON 11 1
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19. The ventricles of the brain are
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34. In the ANS, the number of neuro
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52. The outermost layer of the eyeb
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ossicles are: malleus, incus, and s
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COMMENT SHEET SUBCOURSE MD0006 Basi
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