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Definitions for
"Rhachis"
Keywords:
olistheter
,
aulax
,
valvula
,
stylets
,
ovipositor
(pl., rhachies) A pair of longitudinal ridges ventrally along the length of the fused second valvulae, which fit into the aulax of each first valvula to form the tongue-and-groove olistheter interlocking mechanism of the ovipositor stylets. [drawing
res2.agr.gc.ca
Keywords:
midrib
,
pinnately
,
crinoid
,
nematodes
,
fern
The continued stem or midrib of a pinnately compound leaf, as in a rose leaf or a fern.
ftp.uga.edu
The central cord in the stem of a crinoid.
ftp.uga.edu
A central cord of the ovary of nematodes.
ftp.uga.edu
Keywords:
corymb
,
panicle
,
raceme
,
spike
,
axis
The principal axis in a raceme, spike, panicle, or corymb.
ftp.uga.edu
Keywords:
hyporhachis
,
plumule
,
feather
,
shaft
,
called
The shaft of a feather. The rhachis of the after-shaft, or plumule, is called the hyporhachis.
ftp.uga.edu
Keywords:
rachis
,
see
see rachis.
anbg.gov.au
Keywords:
radula
,
mollusk
,
median
,
part
The median part of the radula of a mollusk.
ftp.uga.edu
Keywords:
spine
The spine.
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