| rachis |
(Gr. rhachis, a backbone) Main axis of a spike; axis of fern leaf (frond) from which pinnae arise; in compound leaves, the extension of the petiole corresponding to the midrib of an entire leaf.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| rachis |
a midrib of the lamina, or of a primary, secondary, tertiary etc. pinna. When unqualified, refers to the midrib of the frond, ie the main axis above the lowermost primary pinna. Also spelled rhachis. pl. rachises.
Ãâó: www.anbg.gov.au/glossary/webpubl/fernglos.htm
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| rachis |
In fungi: A conidiophore elongating to one side of a terminally produced spore, often resulting in a zig-zag-shaped structure. (22)
Ãâó: ppathw3.cals.cornell.edu/glossary/Defs_R.htm
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| rachitic rosary |
A row of beading at the junction of the ribs with their cartilages, often seen in rachitic children. [CancerWEB]
Ãâó: www.antiquusmorbus.com/English/EnglishR.htm
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| rachis |
(pl. raches) the central stem of a feather.
Ãâó: www.palaeos.com/Vertebrates/Lists/Glossary/Glossar...
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