- In biology, a
rachis /ˈreɪkɪs/ (from the
Ancient Gr****: ῥάχις [rhákhis], "backbone, spine") is a main axis or "shaft". In vertebrates,
rachis can refer...
-
ostrich down
feather is an
example of a
plumulaceous feather. Its
rudimentary rhachis with long
flexible barbs and
elongate barbules cannot form vanes....
- This
species was
endemic to Mauritius.
Mollusc Specialist Group (1996). "
Rhachis sanguineus". IUCN Red List of
Threatened Species. 1996: e.T19441A8892618...
- Mayotte, an
island in the
Indian Ocean.
Mollusc Specialist Group (1996). "
Rhachis comorensis". IUCN Red List of
Threatened Species. 1996: e.T19440A8892573...
- shaped,
striated Gr**** ῥᾰ́βδος (rhábdos), wand, stick,
stripe rhabdomyolysis rhachi(o)-
spine Gr**** ῥάχις (rhákhis),
spine or
backbone rachial, rachialgia,...
-
Rachischisis (Gr****: "
rhachis - ῥάχις" - spine, and "schisis - σχίσις" - split) is a
developmental birth defect involving the
neural tube. This anomaly...
-
Pachnodus curiosus Pachnodus ladiguensis Pachnodus velutinus Rhachis comorensis Rhachis sanguineus Aldabra banded snail (Rhachistia aldabrae)
Family Charopidae...
-
edges of
leaves are
rolled under toward the midrib.
Compare involute.
rhachis See rachis.
rhizodermis the root epidermis, the
outermost primary cell...
- ampeloi) ἀκόντιον
akontion (part of troops) (Attic spear) (Macedonian
rhachis,
spine or backbone,
anything ridged like the backbone) ἀμένης -τος amenēs...
- stout,
sharp spines. The
family name Rachycentridae, from the Gr****
words rhachis ("spine") and
kentron ("sting"), was
inspired by
these dorsal spines. The...
