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Medical Terminology

Medical Terminology. Dr. Walid Daoud, MD, FCCP Assistant Professor. The Body as a Whole. Level of Organization Cell: It carries all functions of life. Tissue: group of cells with the same activities: epithelial, connective, muscular and nervous tissues.

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Medical Terminology

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  1. Medical Terminology Dr. Walid Daoud, MD, FCCP Assistant Professor

  2. The Body as a Whole Level of Organization Cell: It carries all functions of life. Tissue: group of cells with the same activities: epithelial, connective, muscular and nervous tissues. Organ: group of tissues perform special function System: group of organs with common function

  3. Planes of the Body Midsagittal (Median) plane: It divides the body into a right and left half. Sagittal plane: It divides the body into unequal right and left side. Coronal (Frontal) plane: It divides the body into anterior (ventral) and posterior (dorsal) portion. Transverse (Horizontal) plane: It divides the body into superior (upper) and inferior (lower) portions.

  4. Body Cavities Coronal plane divides the body into 2 dorsal and 2 ventral cavities: Dorsal cavities: -Cranial cavity contains the brain. -Spinal cavity contains the spinal cord. Ventral cavities: -Thoracic cavity contains heart and lungs. -Abdominopelvic cavity contains digestive, excretory and reproductive organs. Ventral cavities are separated by the diaphragm.

  5. The Abdominopelvic Region 9 regions 4 quadrants 1- Right hypochondriac 1-Right upper quadrant 2-Epigastric 2-Left upper quadrant 3-Left hypochondriac 3-Right lower quadrant 4-Right lumbar 4-Left lower quadrant 5-Umbilical 6-Left lumber 7-Right inguinal 8-Hypogastric 9-Left inguinal

  6. Directional Terms Superficial:toward the surface of the body. Deep (internal): away from surface of body. Medial: toward midline of the body or structure. Lateral: away from midline of body or structure. Superior (cranial): toward the head or upper part Inferior (caudal): away from head, to lower part. Proximal: nearer to the trunk or a structure. Distal: away from the trunk or a structure. Anterior (ventral): near the front of the body. Posterior (dorsal): near the back of the body. Parietal: pertaining to the outer wall of body cavity. Visceral: pertaining to the covering of an organ.

  7. Answer the worksheets 1-6 Please answer the above worksheets at home to be discussed next lecture

  8. Integumentary System Integumentary or covering system consists of - Skin: epidermis and dermis - Skinappendages: hair, nails, sebaceous glands, sweat glands and breasts. Functions of skin: -Protection against injuries and bacteria. -Regulation of body temperature. -Prevention of dehydration. -Works as a sensory receptor. -Synthesis of vitamin D.

  9. Primary Skin Disorders -Macules: nonpalpable spots or patches. -Papules: small, solid, raised areas of the skin -Nodules: papules more than 5 cm in diameter -Vesicles: blisterlike elevations containing serous fluid, if larger than 1 cm called bullae -Pustules: vesicles containing pus. -Wheals: eruption of slightly elevated patches -Ulcer: discontinuation of surface epithelium

  10. Burns First-degree burn: -Damage is limited to epidermis -Redness of skin (erythema) and extreme sensitivity to sensory stimuli (Hyperesthesia) Second-degree burn: -Blisters (vesicles) formation, no scar tissue. Third-degree burn: -Damage of both epidermis and dermis. -Results in scar formation.

  11. Decubitus ulcers (bedsores): Results from impaired circulation. Eczema: Chronic moist dermatitis results in itching or pruritus. Pemphigus: Acute or chronic disease with crops of vesicles (bullae) and when disappear leave pigmented spots. Psoriasis: Pink lesion with silvery scales under which red bleeding points.

  12. WR and CF related to integumentary system

  13. WR and CF related to integumentary system

  14. WR / CF related to integumentary system

  15. Suffixes related to integumentary system

  16. Terms related to integumentary system Page 70

  17. Answer Worksheets 1-6 • Please answer the above worksheets at home.

  18. Worksheet Please answer worksheet 1-6 at home

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