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  2. Cereal growth staging scales - Wikipedia

    en.wikipedia.org/wiki/Cereal_growth_staging_scales

    Beginning of the erection of the pseudo-stem; leaf sheaths beginning to lengthen. 5: Pseudo-stem (formed by sheaths of leaves) strongly erected. Stem Extension 6: First node of stem visible at base of shoot. 7: Second node of stem formed; next-to-last leaf just visible. 8: Flag leaf (last leaf) visible but still rolled up; ear beginning to swell. 9

  3. Spanish irregular verbs - Wikipedia

    en.wikipedia.org/wiki/Spanish_irregular_verbs

    There are two kinds of changes that can affect stem vowels of some Spanish verbs: diphthongization and vowel raising. Both changes affect -e-or -o-in the last (or only) syllable of a verb stem. Diphthongization changes -e-to -ie-, and -o-to -ue-. Vowel raising changes the mid vowels-e-and -o-to the corresponding high vowels: -i-and -u-respectively.

  4. Hematopoietic stem cell - Wikipedia

    en.wikipedia.org/wiki/Hematopoietic_stem_cell

    Hematopoietic stem cells (HSCs) are the stem cells [1] that give rise to other blood cells.This process is called haematopoiesis. [2] In vertebrates, the first definitive HSCs arise from the ventral endothelial wall of the embryonic aorta within the (midgestational) aorta-gonad-mesonephros region, through a process known as endothelial-to-hematopoietic transition.

  5. Template:Stem cells - Wikipedia

    en.wikipedia.org/wiki/Template:Stem_cells

    A navigational box that can be placed at the bottom of articles. Template parameters [Edit template data] Parameter Description Type Status State state The initial visibility of the navbox Suggested values collapsed expanded autocollapse String suggested Template transclusions Transclusion maintenance Check completeness of transclusions Editing this template This template is a navigation box ...

  6. Secondary growth - Wikipedia

    en.wikipedia.org/wiki/Secondary_growth

    Secondary growth thickens the stem and roots, typically making them woody.Obstructions such as this metal post and stubs of limbs can be engulfed. In botany, secondary growth is the growth that results from cell division in the cambia or lateral meristems and that causes the stems and roots to thicken, while primary growth is growth that occurs as a result of cell division at the tips of stems ...

  7. Word stem - Wikipedia

    en.wikipedia.org/wiki/Word_stem

    In linguistics, a word stem is a part of a word responsible for its lexical meaning. Typically, a stem remains unmodified during inflection with few exceptions due to apophony (for example in Polish, miast-o ("city") and w mieść-e ("in the city"); in English, sing, sang, and sung, where it can be modified according to morphological rules or peculiarities, such as sandhi).

  8. Stem - Wikipedia

    en.wikipedia.org/wiki/Stem

    Spatiotemporal Epidemiological Modeler, free software; Stem, part of a compound variable in the Rexx computer programming language; Stem (bicycle part), connecting the handlebars to the steerer tube of a bicycle fork; Stem (ship), the most forward part of a boat or ship's bow; Stem, part of a watch

  9. Stem-and-leaf display - Wikipedia

    en.wikipedia.org/wiki/Stem-and-leaf_display

    A stem-and-leaf display or stem-and-leaf plot is a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution. They evolved from Arthur Bowley 's work in the early 1900s, and are useful tools in exploratory data analysis .