Patho Test 1

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Etiology

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The study or theory of all factors that may be involved in the development of a disease, including susceptibility of an individual, the nature of the disease agent, and the way in which and individual's body is invaded by the agent or the cause of the disease

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Histology

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The branch of anatomy that deals with the minute structure, composition and function of cells and tissue

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Pathogenesis

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the origination and development of disease or illness; describe the sequence of cellular and tissue events that occurs from the time of first ocntact with an etiologic agent until the disease becomes evident; disease evolution

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Idiopathic

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arising spontaneously or from an unknown cause

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Sign

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relating to disease; the observable or measurable expression of the altered health condition

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Symptom

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an indicator that is reported by an ill individual and is often considred a "subjective" manifestation

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Teratogen

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and agent or factor that induces or increases the incidence of developmental abnormalities in a fetus; agents cause physical defects in developing embryo

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Adenocarcinoma

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a malignant tumor of epithelial cells

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Adenoma

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Benign tumor of glandular epithelium cells

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Anaplasia

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a neoplasm's loss of differentiation

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Aneuploidy

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Abnormal chromosome number

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angiogenesis

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the generation of new blood vessels

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antiport

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system od substances transported in the opposite direction

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Apoptosis

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programmed cell death that is prompted by a genetic signal and designed to replace old cells with new; also known as cellular suicide

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atrophy

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decrease in the size of a cell

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Autocrine signaling

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occurs when a cell releases a chemical into the extracellular fluid that affects its own activity

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Benign

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describes a tumor that remains localized and closely resembles the tissue of the organ

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Blast Cell

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any immature cell

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cachexia

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A syndrom eof unexplained weight loss and tissue wasting related to the stimulation of inflammatory mediators, along with excess energy use by the proliferating neoplastic cells

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Cancer

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a term used to describe highly invasive and destructive neoplasms

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Caseous necrosis

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distinctive form of coagulation necrosis in which the dead cells persist indefinately as soft, cheese like debris

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Coagulaiton necrosis

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acidosis develops and denatures the enzymatic and structural proteins of the cell

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carcinogens

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a term used to describe the origin, promotion or development of cancerous neoplasms