monomorphic

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monomorphic

[¦män·ə¦mȯr·fik]
(biology)
Having or exhibiting only a single form.
References in periodicals archive ?
The tumor replaced the lymph node and was composed of monomorphous tumor cells, a pattern highly reminiscent of neuroendocrine differentiation (Figure 4).
Monomorphous angiocentric glioma: a distinctive epileptogenic neoplasm with features of infiltrating astrocytoma and ependymoma.
A prototypic histologic pattern of RN was described as consisting of a junctional melanocytic component with varying degrees of pigmentation overlying fibrous scar tissue and deep, residual, monomorphous nevus cells lacking mitotic figures (2); this pattern would later be termed trizonal.
Histologic features that should alert the pathologist to the diagnosis include dermal mitosis (Figure 5, c), sheetlike growth pattern (crowding or hypercellular appearance) (Figures 4, a and 5, a), nuclear pleomorphism, and lack of conventional maturation with monomorphous appearance of the melanocytes throughout the lesion (Figures 4, b and 5, b).
However, aspirates of non-Hodgkin lymphoma commonly contain monomorphous population of lymphocytes.
Well-differentiated neuroendocrine tumors (synonymous with carcinoid tumors) are composed of monomorphous endocrine cells with mild or no atypia, in a nested, trabecular, or pseudoglandular pattern, restricted to mucosa or submucosa.
Unlike either follicular bronchiolitis or nodular lymphoid hyperplasia, low-grade B-cell lymphoma of BALT is characterized by fairly monomorphous infiltrate of B lymphocytes.
47,48) Plasma cells of Russell bodies gastritis are monomorphous but polyclonal.