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PLEOMORPHISM
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I. (noun)
Sense 1
Meaning:
(biology) the appearance of two or more distinctly different forms in the life cycle of some organisms
Classified under:
Nouns denoting natural phenomena
Hypernyms ("pleomorphism" is a kind of...):
organic phenomenon ((biology) a natural phenomenon involving living plants and animals)
Domain category:
biological science; biology (the science that studies living organisms)
Derivation:
pleomorphic (relating to or characterized by pleomorphism)
Sense 2
Meaning:
(chemistry) the existence of different kinds of crystal of the same chemical compound
Synonyms:
Classified under:
Nouns denoting natural phenomena
Hypernyms ("pleomorphism" is a kind of...):
chemical phenomenon (any natural phenomenon involving chemistry (as changes to atoms or molecules))
Domain category:
chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)
Hyponyms (each of the following is a kind of "pleomorphism"):
dimorphism ((chemistry) the property of certain substances that enables them to exist in two distinct crystalline forms)
Derivation:
pleomorphic (relating to or characterized by pleomorphism)
Context examples:
The neoplastic cells exhibit small and uniform nuclei, mild pleomorphism, and rare mitotic figures.
(Pancreatic Intraductal Papillary-Mucinous Neoplasm with Low Grade Dysplasia, NCI Thesaurus)
There is nuclear elongation, mild pleomorphism and loss of polarity, mucin depletion, and increased number of mitotic figures.
(Low Grade Dysplasia in Barrett Esophagus, NCI Thesaurus)
There is nuclear stratification, prominent nucleoli, and cellular pleomorphism.
(Pancreatic Mucinous-Cystic Neoplasm with High Grade Dysplasia, NCI Thesaurus)
A carcinoid tumor characterized by a high mitotic rate, often associated with the presence of necrosis and nuclear pleomorphism.
(Atypical Carcinoid Tumor, NCI Thesaurus)
An infiltrating Choroid Plexus Tumor with nuclear pleomorphism, increased mitoses, and often tumor necrosis.
(Mouse Choroid Plexus Carcinoma, NCI Thesaurus/MMHCC)
It is characterized by the presence of spindle-shaped malignant cells, nuclear pleomorphism, thin-walled blood vessels, fibrous septa, and myxoid stroma.
(Myxofibrosarcoma, NCI Thesaurus)
A high grade glial neoplasm consisting chiefly of undifferentiated anaplastic cells of glial origin that show marked nuclear pleomorphism.
(Mouse Glioblastoma, NCI Thesaurus/MMHCC)
Nuclear pleomorphism in tumor cells defined either as grade III or IV.
(Nuclear Grade III or IV, NCI Thesaurus)
A liposarcoma with areas of pleomorphism, resembling malignant fibrous histiocytoma.
(Pleomorphic Liposarcoma, NCI Thesaurus)
Papillae have fibrovascular core lined by cuboidal to columnar cells with varying degree of pleomorphism.
(Papillary Adenocarcinoma of the Mouse Pulmonary System, NCI Thesaurus/MMHCC)
