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Rachis - Wikipedia
In biology, a rachis /ˈreɪkɪs/ (from the Ancient Greek: ῥάχις [rhákhis], "backbone, spine") is a main axis or "shaft".
en.wikipedia.org
en.wikipedia.org
RACHIS Definition & Meaning - Merriam-Webster
1. an axial structure: such as a (1) : the elongated axis of an inflorescence (2) : an extension of the petiole of a compound leaf that bears the leaflets.
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www.merriam-webster.com
Rachis | feather part - Britannica
The typical feather in modern birds consists of a central shaft (rachis), with serial paired branches (barbs) forming a flattened, usually ...
www.britannica.com
www.britannica.com
rachis
‖ rachis (ˈreɪkɪs) Also rha-. Pl. rachides (ˈreɪkɪdiːz). [mod.L., a. Gr. ῥάχις spine, ridge, rib (of a leaf), etc. The more precise spelling rhachis is chiefly confined to sense 2. The pl. rachides is erroneous, as the stem of ῥάχις is not ῥαχιδ- but ῥαχι-.] 1. Bot. a. The axis of an inflorescence i...
Oxford English Dictionary
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RACHIS Definition & Meaning | Dictionary.com
Ornithology., the part of the shaft of a feather bearing the web. Anatomy., spinal column. rachis. / ˈreɪkɪs, ˈreɪkɪəl, rəˈkɪdɪəl /. noun.
www.dictionary.com
www.dictionary.com
rachis images - NameThatPlant.net
Your search found 94 images(s) illustrating the term rachis. For a written explanation, click on rachis in the Glossary.
www.namethatplant.net
www.namethatplant.net
Rachis - an overview | ScienceDirect Topics
Rachis is defined as the part of the stalk of a compound-pinnate leaf that extends beyond the first leaflet pair, connecting the petiole to the subsequent ...
www.sciencedirect.com
www.sciencedirect.com
Axis, Rachis, Stem - Master Gardeners of Northern Virginia
axis: the central part of a longitudinal support on which organs or parts are arranged. rachis: the axis of an inflorescence or compound leaf or frond.
mgnv.org
mgnv.org
RACHIS | definition in the Cambridge English Dictionary
the central stem of a leaf or flower spike that has several parts: Akapulko leaves have an orange rachis that has 16-28 leaflets. They chose the ...
dictionary.cambridge.org
dictionary.cambridge.org
rachis - Wiktionary, the free dictionary
Noun · (obsolete, zoology, anatomy) The spinal column, or the vertebrae of the spine. [17th–19th c.] · (zoology) An anatomical shaft or axis in a marine ...
en.wiktionary.org
en.wiktionary.org
Rachis (gastropod)
Species
Rachis ambongoensis Fischer-Piette, 1964
Rachis aurea (Heude, 1890)
Rachis badiola (Morelet, 1881)
Rachis bewsheri (Morelet, 1877)
Rachis )
Rachis nigrilineata (Reeve, 1849)
Rachis obeliscus C.
wikipedia.org
en.wikipedia.org
Rachis (disambiguation)
In biology, a rachis is a main axis or "shaft". Rachis may also refer to:
Rachiș, a left tributary of the river Aiud in Romania
Rachis (gastropod), a genus of land snails
See also
Rachi (disambiguation
wikipedia.org
en.wikipedia.org
rachilla
‖ rachilla Bot. (rəˈkɪlə) [mod.L. dim. of rachis.] (See quot. 1842.)1842 Brande Dict., Rachilla, a branch of inflorescence; the zigzag centre upon which the florets are arranged in the spikelets of grasses. 1881 Bentham in Jrnl. Linn. Soc. XVIII. 367 The rhachilla present, but not exceeding the glum...
Oxford English Dictionary
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Rachis comorensis
Rachis comorensis is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the superfamily Enoidea.
wikipedia.org
en.wikipedia.org