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...
- calcitic layer. The rachidian teeth have three large cusps but no marginal cusps, instead the outer sides of the lateral cusps on the rachidian have a comb-like...
- 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...
- 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...
- 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...
- longitudinally crenulated s**** sculpture, and a broadly triangular central rachidian radular tooth and a lack of umbilical callus. Fresh s**** were also found...
- prey on barnacles and the others eat bryozoans. The radula contains a rachidian tooth when fully developed, but this is vestigial in some species. Species...
- 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...
- californica from the larger Armina species are separated rhinop****s, rachidian teeth with 8-13 elongated denticles, and lateral teeth with 7-9 triangular...
- has a length of 1.20 mm, the rachidian tooth about.18 mm. wide (longer diameter). The paired medial cusps of the rachidian tooth are more widely separated...