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The series of vertebrae forming the axis of the skeleton and protecting the spinal cord
Answer for the clue "The series of vertebrae forming the axis of the skeleton and protecting the spinal cord ", 6 letters:
rachis
Alternative clues for the word rachis
Word definitions for rachis in dictionaries
Wiktionary
Word definitions in Wiktionary
n. 1 (context botany English) The main shaft of either a compound leaf, head of grain, or fern frond. 2 (context zoology anatomy English) The spine or the vertebrae of the spine. 3 (context ornithology English) The central shaft of a feather.
Wikipedia
Word definitions in Wikipedia
Rachis is a biological term for a main axis or "shaft".
WordNet
Word definitions in WordNet
n. axis of a compound leaf or compound inflorescence the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" [syn: spinal column , vertebral column , spine , backbone , back ] [also: rhachises (pl)] ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Rachis \Ra"chis\ (r[=a]"k[i^]s), n.; pl. E. Rachises (r[=a]"k[i^]s*[e^]z), L. Rachides (r[a^]k"[i^]*d[=e]z). (Anat.) The spine; the vertebral column. (Bot. & Zo["o]l.) Same as Rhachis .
Usage examples of rachis.
The fact of so many organs of different kinds--hypocotyls and epicotyls, the petioles of some cotyledons and of some first leaves, the cotyledons of the onion, the rachis of some ferns, and some flowerstems--being all arched whilst they break through the ground, shows how just are Dr.
With mature plants, the flowerstems and the leaves of some few species, and the rachis of several ferns, as they emerge separately from the ground, are likewise arched.
If Rachis is surrounded by troops to protect it against Insects, what about my house which is only fifty kilometres away?
Then we will cleanse Rachis of Insects and push them back behind the Wall.
Having clashed with Insects after dark, I know enough never to go beyond Rachis Town again.
They were roused by some men from Rachis who chipped the Wall trying to pull their friend out.
Harrier pointed to Rachis town, raised both hands questioningly, clenching the reins.
Lightning worked with him to plan trenches and bastions in Rachis Park.
A new prohibited zone was created, east to west, from the coast to the foothills of Darkling, which followed Rachis River and the manor estate boundary.
Porlieria hygrometrica, circumnutation and nyctitropic movements of petiole of leaf, 335, 336 --, effect of watering, 336338 --, leaflets closed during the day, 413 Portulaca oleracea, effect of Aecidium on, 189 Primula Sinensis, conjoint circumnutation of hypocotyl and cotyledon, 45, 46 Pringsheim on the injury to chlorophyll, 446 Prosopis, nyctitropic movements of leaflets, 374 Psoralea acaulis, nocturnal movements of leaflets, 354 Pteris aquilina, rachis of, 86 Pulvini, or joints.