Pith

pith
soft, spongy tissue in the center of stems of certain plants
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Pith
In young stems, the pith, which is made of parenchyma, stores food. The pith disappears in older stems.
The Monocot Stem ...
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pith -- To severely damage the brain of a frog, also any central region of parenchyma tissue within a plant stem.
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pith
The core of the central vascular cylinder of monocot roots, consisting of parenchyma cells, which are ringed by vascular tissue; ground tissue interior to vascular bundles in dicot stems.
pituitary gland ...
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pith: the structure at the center of the stem of vascular plants.
pituitary gland: a gland at the base of the brain consisting of the anterior and posterior lobes that secretes several hormones.
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pith ray The region or tissue located between vascular bundles in a stem and connecting the pith and cortex; also termed interfascicular region or medullary ray.
pith Parenchymal tissue in the center of a stem located interior to the vascular bundles.
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pith
The core of a dicotyledon stem, containing parenchyma cells that have a storage function.
Covered in Lab 9 Seed Plant Sporophyte ...
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Dicot stems have a pith in the center with vascular tissues in a distinct ring visible in a cross section. They have secondary growth originating from their lateral or secondary meristems: the vascular cambium and the cork cambium.
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The xylem typically lies over the phloem. Both are embedded in a dense parenchyma tissue (= ground tissue), called pith, with usually some structural collenchyma tissue present.
Leaf types, arrangements, and forms ...
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Medulla the farther smaller bulge between the pons and the top of the spinal cord
(medull = marrow pith)
Meiosis a special cell division resulting in sex cells with half as many chromosomes
(meio = less; -sis = the act of) ...
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Parenchyma cells also occur within the xylem and phloem of vascular bundles. The largest parenchyma cells occur in the pith region, often, as in corn (Zea ) stems, being larger than the vascular bundles. In many prepared slides they stain green.
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