rachis in English

noun
1
a stem of a plant, especially a grass, bearing flower stalks at short intervals.
Inflorescences are the terminal toothbrush type, with five to 70 pairs of flowers on a rachis approx. 35-50 mm long.
2
the vertebral column or the cord from which it develops.
3
the shaft of a feather, especially the part bearing the barbs.
A contour feather, as a typical feather, has a complex morphology consisting of a central shaft or rachis to which barbs are attached on two margins to form a vane.
noun

Use "rachis" in a sentence

Below are sample sentences containing the word "rachis" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "rachis", or refer to the context using the word "rachis" in the English Dictionary.

1. Bulbils along the rachis on a Polystichum setiferum cultivar

2. Barbs and Barbules along the Rachis of a flight feather

3. The central shaft, called the rachis, is flexible and remarkably strong.

4. The finding suggests that the barbs and Barbules evolved before the rachis in feathers

5. Adiantum is popularly called ‘Maiden hair fem’ because of the shiny black rachis of the leaves

6. From the top to the bottom of the 3D printed samples, the angle between rachis and Barbicels increased gradually

7. Under the action of external load, angles between Barbicels and rachis structure of eagle-owl feather decreased, which consumed a part

8. Fronds medium-sized to large, stipe base without articulation, hairy, vertically grooved above; lamina 1-4-pinnately compound, oblong to ovate-oblong; pinnules or lobes slightly oblique, Acroscopic pinnule at base larger than basiscopic, usually parallel to rachis or pinna rachis, mostly triangular, rarely lanceolate, usually grayish hispid or

9. On one side is a rachis leading to smaller Bracteoles and a bud; on the other side a bud with Bracteoles has formed.

10. Antennal flagellum strongly Crenulate on posterior surface, with deep concavity between flagellomeres; mandible not distinctly broad apically; posterior hypostomal carina unmodified, without a tooth; protibial spur with apex of rachis very short (less than one-third of malus length), with less than five elongate branches (not including apical portion of rachis); S3-S5 with distal margins

11. Under the action of external load, angles between Barbicels and rachis structure of eagle-owl feather decreased, which consumed a part of energy and built structure base of bionic

12. Present when the first Acroscopic vein arises at an angle to the rachis Systematics, ontogeny, and phylogenetic implications of exceptional anatomically preserved cycadophyte leaves from the Middle Jurassic of Bearreraig Bay, Skye, northwest Scotland

13. Examples of barbule in a Sentence Recent Examples on the Web Unlike in other shiny birds, such as hummingbirds or crows, the cassowary's glossiness is produced by the rachis, or the spine of the feather, rather than the Barbules, …

14. Backbone: 1 n the series of vertebrae forming the axis of the skeleton and protecting the spinal cord Synonyms: back , rachis , spinal column , spine , vertebral column Types: notochord a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates

15. Antennal flagellum weakly Crenulate on posterior surface, without deep concavity between flagellomeres; mandible distinctly broad apically; posterior hypostomal carina with strong tooth; protibial spur with apex long, about three-fourths of malus length, with a distinct row of 10 elongate branches (not including apical portion of rachis); S3-S4 with distal margins gently convex; S5 with