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Body Struc1

Body Structure Test 1

QuestionAnswer
ANAPLASIA Loss of differentiation of cells
ANOMALY Deviation from normal
ATROPHY wasting away, a decrease in the size of a cell, tissue, organ or part
BENIGN not malignant, not recurring
ACTIVE TRANSPORT membrane transport process that requires cellular energy
CYTOKINESIS Division of the two cytoplasm at the end of mitosis to form two separate daughter cells
DIFFUSION Movement of atoms, ions or molecule from a region of high concentration to a region of low concentration
MEIOSIS Type of nuclear division which the number of chromosomes is reduced to one half the number found in a body cell, result is the formation of an egg or sperm
MITOSIS process by which the nucleus of a body cell divides to form two new cells, each identical to the parent cell
OSMOSIS Diffusion of water through a selectively permeable membrane
PASSIVE TRANSPORT membrane transport process that does not require cellular energy
PHAGOCYTOSIS Cell eating, a form of endocytosis in which solid particles are taken into the cell
PINOCYTOSIS Cell drinking. A form of endocytosis in which fluid droplets are taken into the cell.
CARCINOGEN An agent that causes cancer, known carcinogens include chemicals and drugs, radiation and viruses
CONGENITAL DISORDER An abnormal condition that is present at birth and continues to exist from the time of birth
CYTOLOGY Study of cells, including their origin, structure, function and pathology
DYSPLASIA abnormality in development, alteration in size, shape and organization of cells
GENETIC DISORDER condition or disease that is caused by a defective gene and may appear at any time in life, aka hereditary disorder
HYPERPLASIA abnormal increase in the number of cells resulting from the increase in the frequency of cell division
HYPERTROPHY Enlargement of an organ attributable to an increase to the size of the individual constituent cells
ARRECTOR PILI Contract to cause “goose bumps” to raise the hairs in the skin and provide insulating layer against the cold
CERUMIMOUS GLAND Specialized glands found only in the skin of the external auditory meatus.
DERMIS Deep thicker layer of skin.
EPIDERMIS the outermost protective layer of the skin.
KERATINIZATION The process where a protein that is a major component of hair, nails and the epidermis protects the body from taking on too much water.
MELANIN a brown-black pigment [produced by melanocytes, found mostly in the basal layer of the epidermis.
SEBACEOUS GLAND (oil glands) lie close to the hair follicles into which they usually drain.
SUBCUTANEOUS LAYER the layer beneath the dermis and on top of a layer of muscle.
SUDORIFEROUS GLAND (Sweat Glands) located in the Dermis
ALOPECIA Baldness R/T disease, high fever, emotional stress, surgery, pregnancy, starvation, chemotherapy, radiation or heredity factors.
BASAL CELL CARCINOMA
CELLULITIS Infection of connective tissues with severe inflammation of the dermis and subcutaneous layers of the skin
DERMATITIS Inflammation of the skin
ECZEMA An inflammatory skin disease with red, itching vesicular lesions that may crust over, common allergic reaction, but may occur w/o any obvious cause.
ESCHAR A slough produced by a burn or gangrene
IMPETIGO Superficial skin infection caused by staphylococcal or streptococcal bacteria and characterized by vesicles, pustules, and crusted-over lesions
MALIGNANT MELANOMA Cancerous neoplasm’s composed of melanocytes that account for 3& of all cancers
NEVUS An elevated, pigmented lesion the skin
PRURITUS Severe itching, one of the most common problems in dermatology, arises as a result of stimulation of nerves in the skin by enzymes released in allergic reactions or by other irritating substances
URTICARIA Allergic transient skin eruptions characterized by elevated lesions, called wheals, and often accompanied by severe itching and burning
WART Epidermal growth on the skin caused by a virus, plantar warts occur on the soles of the feet, juvenile warts occur on the hands and face of children, and venereal warts occur in the genital area
XERODERMA PIGMENTOSUM A pigmentary and atrophic inherited disease of the skin and eyes that is characterized by vascular lesions, excessive freckling, keratinous growths, carcinoma, photophobia, ocular opacities, and tumors. Involves defect in the enzymes active in the repair
Describe the structure of the two layers of the skin:
Epidermis (Top to Bottom) Stratum Corneum, Stratum lucidum, Stratum Granulosum, Stratum Spinosum, Melanocyte and Stratum Basale
Dermis (Top to Bottom) Papillary Region, Papillae and Reticular Region
Created by: 1078380780
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