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meristem

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meristem
meristem Bot. (ˈmɛrɪstɛm) [irreg. f. Gr. µεριστός divided, divisible, f. µερίζειν to divide, f. µέρος part; with ending after phloem, xylem.] The unformed growing cellular tissue of the younger parts of plants; merismatic tissue. Also attrib.1874 Q. Jrnl. Microsc. Sci. XIV. 304 The three systems of ... Oxford English Dictionary
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Meristem
There are two types of apical meristem tissue: shoot apical meristem (SAM), which gives rise to organs like the leaves and flowers, and root apical meristem Root apical meristem Unlike the shoot apical meristem, the root apical meristem produces cells in two dimensions. wikipedia.org
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Shoot apical meristem form and function - PubMed
The shoot apical meristem (SAM) generates above-ground aerial organs throughout the lifespan of higher plants. In order to fulfill this function, the meristem must maintain a balance between the self-renewal of a reservoir of central stem cells and organ initiation from peripheral cells. The activity of the pluripotent stem cell population in ...
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perimeristem
periˈmeristem Bot. [mod. (Rassow, in Ger. 1872) f. peri- + meristem.] The outermost layer of the meristem at a growing point, which develops into the outer cortex and dermatogen.1884 Bower & Scott De Bary's Phaner. 294 Exomeristem..is divided into the Mesomeristem..and the Perimeristem, which is the... Oxford English Dictionary
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Meristem Securities
The company has six subsidiaries; Meristem Stockbrokers, Meristem Wealth, Meristem Registrars and Probate Services, Meristem Capital, Meristem Trustees Meristem Trustees Meristem Trustees is a subsidiary of Meristem Wealth Management Limited. wikipedia.org
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Somatic Mutations in meristem tissue in plants In angiosperm, **in which layer of the meristem does a new mitotic mutation occurring has chance to be found in a pollen grain or in an ovule?** I also welcome some insi...
You can see the wikipedia article on meristem. The apical meristem differentiates into floral meristem that gives rise to flowers. So cells expressing this gene will give rise to female parts[[ref]]( Nonetheless mutation happening at any stage of the development of floral meristem
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Quiescent centre
It is a region in the apical meristem of a root where cell division proceeds very slowly or not at all, but the cells are capable of resuming meristematic He then wished to know whether the same property applied to thinner roots with narrow columellas (i.e. roots with a ‘closed’ type of meristem). wikipedia.org
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Describe the difference between a meristem and a vascular bundle.
A meristem is a plant tissue composed of undifferentiated cells that are capable of continuous cellular division and differentiation and is found in the
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Axillary bud
Apical dominance occurs because the shoot apical meristem produces auxin which prevents axillary buds from growing. Like the apical meristem, axillary buds can develop into a stem or flower. wikipedia.org
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meristogenetic
meˌristogeˈnetic, a. Bot. [f. Gr. µεριστό-ς (see meristem) + -genetic.] Produced by a meristem.1887 Garnsey & Balfour De Bary's Fungi 497. Oxford English Dictionary
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Agamous
floral organ is determined by particular combinations of homeotic genes, these genes derive from a group of undifferentiated cells known as the floral meristem The presence of the homeotic gene in Arabidopsis ceases all meristem activity and proceeds to facilitate the development of stamens and carpels. wikipedia.org
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calyptrogen
calyptrogen Bot. (kəˈlɪptrədʒɛn) [f. Gr. καλύπτρα covering + -gen taken in sense of ‘producer’.] The outer zone or layer of the meristem or primary tissue of the youngest part of plants.1881 Nature XXIII. 288 Four zones of meristem:—calyptrogen, dermatogen, periblem and plerome. 1884 Bower & Scott D... Oxford English Dictionary
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CLE peptide
There are two types of meristematic tissues 1) Apical Meristem 2) Lateral Meristem. The Apical Meristem is of two types; the shoot apical meristem (SAM) gives rise to organs like the leaves and flowers, while the root apical meristem ( wikipedia.org
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Vascular cambium
In woody plants, it forms a cylinder of unspecialized meristem cells, as a continuous ring from which the new tissues are grown. While similar regulation occurs in other plant meristems, the cambial meristem receives signals from both the xylem and phloem sides for the meristem. wikipedia.org
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分生组织
分生组织按“来源”分类，可划分为原分生组织（urmeristem），初生分生组织（primary meristem）和次生分生组织（secondary meristem）；按“位置”划分则有顶端分生组织（apical meristem），居间分生组织（intercalary meristem），侧生分生组织 （lateral meristem）和拟分生组织（meristemoid）。 wikipedia.org
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