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HC101: Body Org
Levels of Body Organization
Question | Answer |
---|---|
Anaplasia | reversion of cells to a more primitive or undifferentiated form |
Anomaly | a deviation from normal especially of a bodily part |
adipose | fat |
cartilage | strong flexible connective tissue |
cell | the functional unit of all living things |
Chromosomes | the genomes of DNA viruses (as bacteriophages) that take up basophilic stains and contain most or all of the genes of the organism |
connective tissue | supporting and protecting tissue |
cytology | the study of cells |
Cytoplasm | the organized complex of inorganic and organic substances external to the nuclear membrane of a cell and including the cytosol and membrane-bound organelles (as mitochondria or chloroplasts) |
Dysplasia | abnormal growth or development (as of organs or cells) |
epithelial tissue | composed of close packed cells that form a covering and line the body structures |
Erythrocyte | red blood cell |
histology | the study of tissue |
Homeostasis | the maintenance of relatively stable internal physiological conditions (as body temperature or the pH of blood) in higher animals under fluctuating environmental conditions |
Hyperplasia | an abnormal or unusual increase in the elements composing a part (as cells composing a tissue) |
Hypertrophy | excessive development of an organ or part |
Hypoplasia | a condition of arrested development in which an organ or part remains below the normal size or in an immature state |
muscle fibers | individual muscle cells |
muscle tissue | produces movement through contractions. There are three types |
nervous tissue | allows for conduction of electrical impulses |
neurons | nerve cells |
Nucleus | structure within a cell that contains DNA |
organ | collection of several different tissue types that work together to perform a special function |
Physiology | a branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved |
Stem Cells | an unspecialized cell capable of perpetuating itself through cell division and having the potential to give rise to differentiated cells with specialized functions |
system | collection of several organs that work together to complete a function |
tissue | a group of cells that function together to perform a specific activity. There are four types |
Triage | the sorting of and allocation of treatment to patients and especially battle and disaster victims according to a system of priorities designed to maximize the number of survivors |