Quizlet

Flashcards: Pathology and Pathophysiology Chapter 3

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inflammationThe nonspecific immune response that occurs in reaction to any type of bodily injury
acute inflammationa short and sudden response that is normally visual and is associated with neutrophils
chronic inflammationa persistent inflammation that can lead tissue change, longer duration where more tissue is destroyed, little change in symptoms
chronic inflammation is characterized bymacrophages, lymphocytes and proliferation of connective tissue fibroblasts
proliferationRapid reproduction, multiplication or growth in numbers and of tissue production
signs of acute inflammation( and reasons)redness+heat(increased blood flow), pain(local irritation and pressure on nerves), swelling(edema), loss of function(nutrient deficiency)
signs of chronic inflammationtissue destruction, scar tissue, loss of function, swelling, pain
symptoms of acute inflammationfever, chills, fatigue, headaches, loss of appetite, muscle stiffness
symptoms of chronic inflammationlack of sleep, low adrenal functions. change of cells, damage and death to cells.
tumourAn abnormal mass of tissue that results when cells divide more than they should or do not die when they should
two main groups of tumoursbenign and malignant
most important feature of benign tumoursremains localized
most important feature of malignant tumourscells transfer and infiltrate via lymphatics and blood vessels, spreading everywhere
benign tumours rate of growthslowly
malignant tumours rate of growthrapidly
boundaries of malignant tumoursirregular, ill-defined and non-encapsulated
benign tumours relationship to surrounding tissueapplies pressure, compresses
malignant relationship to surrounding tissueinvades and destroys it
accommodation of cancers to a group relating to the skinepithelia
accommodation of cancers to a group relating to the embryonic tissuemesenchymal
accommodation of cancers to a group relating to the spinal cord and nervous systemneuroectoderm
accommodation of cancers to a group relating to the blood formationhaemopoietic and lymphoid cells
palliative careany form of medical care that concentrates on reducing the severity of the symptoms oppose to trying to cure the disease
histologyThe study of tissues and cells under a microscope.