Definition of Rachidian. Meaning of Rachidian. Synonyms of Rachidian

Here you will find one or more explanations in English for the word Rachidian. Also in the bottom left of the page several parts of wikipedia pages related to the word Rachidian and, of course, Rachidian synonyms and on the right images related to the word Rachidian.

Definition of Rachidian

Rachidian
Rachidian Ra*chid"i*an, a. [See Rachis.] (Anat. & Zo["o]l.) Of or pertaining to the rachis; spinal; vertebral. Same as Rhachidian.

Meaning of Rachidian from wikipedia

- In biology, a rachis /ˈreɪkɪs/ (from the Ancient Gr****: ῥάχις (rhákhis), "backbone, spine") is a main axis or "shaft" . In vertebrates, rachis can refer...
- Each row of radular teeth consists of One central or median tooth (or rachidian tooth, rachis tooth) On each side: one or more lateral teeth And then...
- rhachi(o)- spine Gr**** ῥάχις (rhákhis), spine or backbone rachial, rachialgia, rachidian, rachiopathy rhin(o)- of or pertaining to the nose Gr**** ῥίς, ῥῑνο- (rhís...
- longitudinally crenulated s**** sculpture, and a broadly triangular central rachidian radular tooth and a lack of umbilical callus. Fresh s**** were also found...
- the eyes and the tail. It is the only known Tritoniid with a unicuspid rachidian tooth in adult form. Silva, F. D. V.; Azevedo, V. M. D.; Matthews-Cascon...
- two-lobed and folded, the dorsal lobe being smaller than the ventral one. The rachidian tooth of the radula is quadricuspid, with the middle left cusp longer...
- can show some sculpture that may persist on later whorls. They have a rachidian radula. They can be found worldwide in deep water. Some authors use Otukaia...
- protoconch consists of prismatic crystals. The apical folds are fused. The rachidian and the lateral teeth of the radula lack cutting surfaces. They have one...
- The radula has small and slender lateral teeth and a greatly modified rachidian radular tooth. This species is distributed in the Eastern Indian Ocean...
- excavated into a pit for the reception of the s****-muscle. The animal has no rachidian teeth. Schizoglossa has eggs with a calcareous surface which lacks cuticle...
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