verticil

/vur-tuh-sil/US // ˈvɜr tə sɪl //UK // (ˈvɜːtɪˌsɪl) //

纵向,纵向的,竖向,竖立

Definitions

n.名词 noun

1
Botany, Zoology.
- : a whorl or circle, as of leaves or hairs, arranged around a point on an axis.

Each spine between the two shells has a verticil of three forked lateral branches (fig. 9a).
At the middle, or in the distal half, each spine bears a verticil of three strong, irregularly formed ramified branches.
From each spine arise ten to twelve verticils of lateral branches; each verticil composed of three forked branches.
The terminal branches form either a similar verticil, or a bunch or corona, composed of numerous radial secondary spines.
Verticil: one of the whorls of long fine sensitive hair arranged symmetrically on the joints of the antennae in certain Diptera.