blastema


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blas·te·ma

 (blă-stē′mə)
n. pl. blas·te·mas or blas·te·ma·ta (-mə-tə)
1. A mass of undifferentiated cells from which an organ or a body part develops, either in normal development or in the regeneration of a lost body part.
2. A structureless substance from which it was formerly believed that cells are formed.

[Greek blastēma, offspring, sprout, from blastos, bud.]

blas·te′mal, blas′te·mat′ic (blăs′tə-măt′ĭk), blas·te′mic (blă-stē′mĭk) adj.

blastema

(blæˈstiːmə)
n, pl -mas or -mata (-mətə)
(Physiology) a mass of undifferentiated animal cells that will develop into an organ or tissue: present at the site of regeneration of a lost part
[C19: from New Latin, from Greek: offspring, from blastos bud]
blastemic adj

blas•te•ma

(blæˈsti mə)

n., pl. -mas, -ma•ta (-mə tə)
an aggregation of cells in an early embryo capable of differentiation into specialized tissue and organs.
[1840–50; < New Latin < Greek blástēma (blastē- variant s. of blasteîn to sprout + -ma n. suffix of result)]
blas•te′mal, blas•te•mat•ic (ˌblæs təˈmæt ɪk) blas•te′mic (-ˈsti mɪk, -ˈstɛm ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.blastema - a mass of undifferentiated cells from which an organ or body part develops
cell - (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
Translations

blas·te·ma

n. blastema, sustancia primaria de la cual se originan las células.
References in periodicals archive ?
When the limb of an axolotl is severed, a collection of stem cells known as a blastema forms.
Next, the regeneration blastema is formed as the mesenchymal cells propagate and accumulate.
La interaccion entre la yema ureteral y el blastema metanefrico es crucial para la formacion de rinones funcionales.
Alli prolifera, se diferencia y, conjuntamente con el mesenquima subyacente, hacia la septima semana de desarrollo da origen al blastema ovarico (12).
Unlike typical mammals, which heal wounds by forming a scar, these mice begin by forming a blastema, a structure associated with rapid cell growth.
The classic 'triphasic' histology consists of 3 elements: very immature renal parenchymal cells (blastema), primitive tubules (epithelial cells) and supporting mesenchyme.
O nefroblastoma, tambem conhecido como Tumor de Wilm's, e uma neoplasia embrionaria renal de origem do blastema metanefrico.
Occasional papillary formations were also seen but no blastema was identified.
When salamanders regenerate their limbs, the tissues near the edge of the wound revert to a more immature state called a blastema. The cells in the blastema aren't all-purpose, though; they only regenerate those tissues that they are derived from.
MiRNA profiles as a predictor of chemoresponsiveness in Wilms' tumor blastema. PLoS One 2013;8:e53417.