Nuclear pleomorphism definition of Nuclear pleomorphism in the Free Online Encyclopedia.

pleomorphism [‚plē·ō′mȯr‚fiz·əm]

(biology)

The occurrence of more than one distinct form of an organism in a single life cycle.

(crystallography)

Pleomorphism

an environmentally produced change in the incidence of disease and causes of death as well as in the properties of individual diseases, that is, nosologic entities (see NOSOLOGY).

During the 20th century, extensive immunization of populations and nationwide preventive measures in economically developed countries have eradicated many infectious diseases, for example, plague and poliomyelitis, and have sharply reduced infant mortality caused by infectious diseases. Changes in living conditions have reduced the incidence of diseases that stem from nutritional deficiency, for example, avitaminoses and iron-deficiency anemia. On the other hand, the incidence of injuries, tumors, and cardiovascular and viral diseases has increased.

New hereditary and occupational diseases have resulted from such environmental changes as those that accompany the growth of the chemical industry. Therapy-induced pleomorphism is a change in the clinical picture of a disease as a result of treatment. For example, the use of drugs has led to the disappearance of severe forms of thyrotoxicosis and anemia. Similarly, tuberculous meningitis, comas in diabetes mellitus, and acute pulmonary suppuration have become rare. In leukemia, tumor cells have disappeared from bone marrow because of the use of cytostatic agents, but they multiply in the nervous system and viscera. Undesirable side effects may follow medicinal treatment, and beyond a certain intensity these constitute a drug disease. The aftereffects of gastric or cardiac surgery, for example, can also give rise to disease.

Diseases that have received a new nosologic classification because of the growth of medical knowledge should not be considered examples of pleomorphism.

REFERENCES

Davydovskii, I. V. Patologicheskaia anatomiia i patogenez boleznei cheloveka, 3rd ed., vols. 1–2. Moscow, 1956–58.
Shul’tsev, G. P. “Terapevticheskii patomorfizm.” Klinicheskaia meditsina. 1973, no. 6.

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No references found	29 Importantly, however, given the limited number of analyzable cases, differences in event rate were statistically significant only for intraabdominal location and significant nuclear pleomorphism. Extranodal Follicular Dendritic Cell Sarcoma by Kenneth E Youens and Michael S Waugh / Archives of Pathology & Laboratory Medicine Nevertheless, few studies have been directed to evaluate the nuclear size and its variability in the preneoplastic epithelium of PIN, although some authors have suggested that the cytologic atypia and nuclear pleomorphism were more remarkable in the basal layer in comparison with the apical or columnar stratum of PIN lesions (Epstein, 1994). Cell proliferation and volume-weighted mean nuclear volume in ... by Teba, Fernando; Martin, Rocio; Gomez, Vicente; Herranz, Luis M.; Santamaria, Luis / Image Analysis and Stereology Mild nuclear pleomorphism and a loss of basal polarity in low-grade adenocarcinoma cells help distinguish them from cells found in adenomas and papillomas. Low-grade adenocarcinoma of the nasal cavity--an unusual ... by Esquivel, Carlos / Ear, Nose and Throat Journal	nuclear magnetic resonance gyroscope Nuclear Magnetic Resonance NMR nuclear magnetic resonance spectrometer nuclear magnetic resonance tomography nuclear magnetism nuclear magnetometer nuclear magneton nuclear mass nuclear medicine nuclear medicine imaging nuclear membrane Nuclear Model nuclear molecule nuclear moment Nuclear moments Nuclear Munitions Nuclear Non-proliferation Treaty Nuclear Nonproliferation Treaty nuclear number nuclear orientation Nuclear Paramagnetism Nuclear Physics Nuclear Physics, Leningrad Institute of nuclear pile nuclear plaque Nuclear pleomorphism nuclear polarization Nuclear Polarization, Chemical nuclear polyhedrosis virus nuclear pore complex nuclear potential nuclear potential energy nuclear potential scattering nuclear power Nuclear Power Industry nuclear power plant nuclear propulsion Nuclear Quadrupole Moment nuclear quadrupole resonance Nuclear Quadrupole Resonance NQR nuclear radiation Nuclear Radiation Detectors nuclear radiation spectroscopy nuclear radius Nuclear Reaction nuclear reaction spectrometry Nuclear Reactor Nuclear Reactor Core nuclear receptor superfamily nuclear recoil Nuclear Regulatory Commission	Nuclear Pharmacy Technician Nuclear photographic emulsion Nuclear photographic emulsion nuclear physicist nuclear physicist nuclear physicist nuclear physics nuclear physics nuclear physics Nuclear Physics Apparatus Nuclear Physics at Border Lines Nuclear Physics European Collaboration Committee Nuclear Physics Research Committee Board Nuclear Physics, Leningrad Institute of Nuclear pile Nuclear Planning & Execution Nuclear Planning and Execution System Nuclear Planning Group Nuclear Planning Manual nuclear planning system nuclear planning system Nuclear plant Nuclear plant Nuclear plant Nuclear Plant Aging Research Nuclear Plant Equipment Operator Nuclear Plant Journal Nuclear Plant Reliability Data System nuclear plaque Nuclear Plastic Toys Nuclear pleomorphism Nuclear poison Nuclear poison nuclear polarization Nuclear Polarization, Chemical Nuclear Policy Research Institute Nuclear pollution Nuclear pollution Nuclear Polyhedrosis Virus nuclear pore nuclear pore nuclear pore Nuclear Pore Associated Protein Nuclear pore complex Nuclear pore complex Nuclear pore complex Nuclear Pore Interacting Protein Nuclear pores Nuclear pores Nuclear pores Nuclear posture review Nuclear potential Nuclear potential nuclear potential energy nuclear potential scattering nuclear power nuclear power nuclear power nuclear power Nuclear power controversy Nuclear power controversy

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29 Importantly, however, given the limited number of analyzable cases, differences in event rate were statistically significant only for intraabdominal location and significant nuclear pleomorphism.

Extranodal Follicular Dendritic Cell Sarcoma by Kenneth E Youens and Michael S Waugh / Archives of Pathology & Laboratory Medicine

Nevertheless, few studies have been directed to evaluate the nuclear size and its variability in the preneoplastic epithelium of PIN, although some authors have suggested that the cytologic atypia and nuclear pleomorphism were more remarkable in the basal layer in comparison with the apical or columnar stratum of PIN lesions (Epstein, 1994).

Cell proliferation and volume-weighted mean nuclear volume in ... by Teba, Fernando; Martin, Rocio; Gomez, Vicente; Herranz, Luis M.; Santamaria, Luis / Image Analysis and Stereology

Mild nuclear pleomorphism and a loss of basal polarity in low-grade adenocarcinoma cells help distinguish them from cells found in adenomas and papillomas.

Low-grade adenocarcinoma of the nasal cavity--an unusual ... by Esquivel, Carlos / Ear, Nose and Throat Journal

nuclear magnetic resonance gyroscope

Nuclear Magnetic Resonance NMR

nuclear magnetic resonance spectrometer

nuclear magnetic resonance tomography

nuclear medicine imaging

nuclear membrane