Med Term Exam 2
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| Radiation | Energy carried by a stream of particles from a substance
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| Radiography | Production of diagnostic images
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| Radioimmunoassay | In vitro test to determine the amount of drugs or medication left in the body
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| Radiology | Medical specialty in diagnostic imaging and radiation treatment
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| Scan | Image obtained from the interior of the body
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| Sonogram | Ultrasound
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| Tomography | Types of imaging that produces three-dimensional images
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| Ultrasonography | Use of sound waves to produce images of the interior of a body
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| Ultrasound | Images resulting from ultrasonography
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| X-Ray | High-energy particles of radiation from the interior of a substance
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| Barium | Contrast medium that shows up a white on an x-ray
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| Computerized Tomography scan | CAT scan
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| Computerized Axial Tomography scan | Scan that shows images as detailed slices of a body part or organ
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| Diagnostic imaging | Use of imaging techniques in diagnosing illness
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| Imaging | production of a visual output using x-rays, sound-waves, and magnetic fields
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| iodine | substance used in radiopharmacenticals for contrast medium and radiation therapy
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| Ion | Positively charges particle used to ionize tissue
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| Magnetic resonance imaging | Imaging produced by tracking the magnetic properties in the nuclei
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| Nuclear Medicine | Medical specialty for treating diseases with radioactive substances
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| Positron emission Tomography scan | A series of images that shows the distribution of substances through tissue
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| Anaplasis | Loss of cell differentiation
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| Apoptosis | Normal death of cells
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| Benign | Encapsulated
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| Cytoplasm | Outer portion of a cell surrounding the nucleus
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| Dedifferentiated | Lacking in normal orderly cell arrangement
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| Differentiated | Growing in an orderly fashion
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| Dysplasia | Abnormal tissue growth
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| Encapsulated | Held within a capsule
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| Heteroplasia | Dysplasia
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| Invasive | infiltrating other organs
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| Malingnant | growing uncontrollably
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| metastasis | spread of malignant cells to other parts of the body
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| mitosis | cell division
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| mutation | alteration in DNA to produce defective cells
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| Neoplasm | Tumor: new growth
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| Oncogene | DNA fragment that causes malignancies
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| Sarcoma | Relatively rare tumor that originates
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| Solid tumor | Carcinoma
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| teratoma | Growth containing several types of tissue and various types of cells
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| Tumor | Growth made up of cells that reproduce abnormally
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| Acquired Active Immunity | Resistance to a disease acquired naturally or developed by previous exposure or vaccination
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| Acquired Passive Immunity | Inoculation against disease or poison using antitoxins or another person/species
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| Antibody | Specialized Protein that fights disease
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| Antigen | Any substance that can provide an immune response
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| Antitoxin | Antibodies directed against a particular disease or poison
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| B-Lymphocytes | white blood cells made in the bone marrow that are critical to the body's defense against disease and infection
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| Gamma Globulin | Antibodies given to prevent or lessen certain diseases
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| Cell Mediated Immunity | Resistance to disease mediated by T-Cells
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| Immunity | Resistance to particular pathogens
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| Interferon | protein produced by T-cells and other cells
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| Immunoglobulin | antibody
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| lymph | fluid that contains white blood cells and other substances and flows through lymphatic vessels
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| lymph node | specialized organ that filters harmful substances through tissues and assists with the immune response
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| Lymph nodule | unincapsulated lymphatic tissue
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| lymphocyte | white blood cells made in the bone marrow that are critical to the body's defense against disease and infection
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| Macrophage | Specialized cells that devours foreign substances
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| Natural Immunity | Inherit resistance to disease found in species, race, family group, or individuals
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| Spleen | Organ of lymph system that filters and stores blood, removes old red blood cells
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| Thymus | Soft gland with two lobes that is involved in immune responses
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| T- Lymphocytes | T-cells, specialized white blood cells that receive markers in the thymus
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| Acetabulum | Cup-shaped depression in the hip bone into which the top of the femur fits
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| Articular Cartilage | Cartilage at a joint
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| Articulation | Point at which two bones join together to allow movement
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| Atlas | 1st vertebrae
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| Axis | 2nd vertebrae
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| Bursa | Sac lined with synovial membrane that fills the spaces between the tendons and joints
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| Cartilage | flexible connective tissue found in joints, fetal skeleton, and the lining of various parts of the body
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| Cervical Vertebrae | 7 vertebrae of the spinal column located in the neck
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| Condyle | Rounded surfaces at the end of a bone
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| Diaphysis | Long middle section of a long bone
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| Dorsal Vertebrae | Thoracic vertebrae
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| Foramen | opening or performation through a bone
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| Foremen magnum | Opening in the occipital bone through which the spinal cord passes
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| Ligament | sheet of fibrous tissue connecting and supporting bones, attaches bone to bone
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| Ossification | Hardening into bone
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| Osteoblast | large cell that reabsorbs and removes osseous tissue
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| Osteocyte | bone cell
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| Tendon | fibrous band that connects muscle to bone or other structures
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| Lumbar vertebrae | 5 vertebrae of the lower back
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| Sacrum | next to last spinal vertebrae of lower spine made up of 5 fused bones
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| Thoracic Vertebrae | 12 vertebrae of the chest area
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| Adipose | fatty, or retaining to fat
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| Alopecia | lack of hair in spots, baldness
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| Apocrine | Glands that appear during and after puberty and secrete sweat
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| Ceruminous glands | glands that secrete a waxy substance on the surface of the ear
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| collagen | major protein substance that is tough and flexible and forms connective tissue
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| Corium | the dermis
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| Cuticle | thin band of epidermis that surrounds the edge of nails
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| Dermis | layer of skin beneath the epidermis containing blood vessels, nerves, and some glands
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| Diaphoresis | excretion of fluid by the sweat glands
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| eccrine glands | sweat glands occur all over the body
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| Epidermis | outer portion of the skin containing several strata
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| Exocrine glands | glands that secrete through ducts toward the outside of the body
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| hair follicle | tube like sac in the dermis out of which the hair shaft develops
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| Hair root | portion of the hair beneath the skin surface
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| Hair shaft | portion of the hair visible above the skin surface
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| hypodermis | subcutaneous skin layer
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| Integument | Skin and all the elements that are contained within
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| Keratin | hard, horny protein that forms nails and hair
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| lunula | half moon shaped area at the base of the nail plate
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| melanin | pigment placed by melanocytes that determines the skin/hair/eye color
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| Melanocytes | Cell in the epidermis that produces melanin
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| Nail | Thin layer of keratin that covers the distal portion of the fingers and toes
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| Papillary Layer | Thin sublayer of the dermis containing small papillae
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| Pore | small openings in the skin
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| Reticular Layer | Bottom sub layer of the dermis containing reticula
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| Sebaceous glands | glands in the dermis that open to hair follicles that secrete sebum
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| Squamous Epithelium | flat scaley layer that make up epidermis
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| stratified squamous epithelium | layers of epithelium cells that make up the strata of epithelium
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| Stratum | layer of tissue, especially a layer of the skin
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| Stratum Cornium | Top sub layer of the epidermis
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| Stratum Germinatibum | bottom sublayer of the epidermis
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| Striae | strech marks made in the collagen fibers of the dermis layer
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| Subcutaneous layer | bottom layer of the skin containing fatty tissue
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| Sweat glands | coiled glands of the skin that secrete perspiration to regulate the body temperature and excrete waste products
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