Rhachis
- Noun
The shaft of a feather. The rhachis of the after-shaft, or plumule, is called the hyporhachis.
- Noun
The continued stem or midrib of a pinnately compound leaf, as in a rose leaf or a fern.
- Noun
The principal axis in a raceme, spike, panicle, or corymb.
- Noun
The median part of the radula of a mollusk.
- Noun
The central cord in the stem of a crinoid.
- Noun
A central cord of the ovary of nematodes.
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Rachis (genus)
in the family Cerastidae. This genus is also spelled as “Rhachis”as a synonym.
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Rachis
In biology, a rachis (from the Ancient Greek: ῥάχις (rhákhis), "backbone, spine") is a main axis or "shaft" .
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List of whitefly species
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Sabal minor
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