annulus

n.

环面；

复数：annulusesannuli

1. What touch with vaccinal annulus is adhesive.
   用接种环触之有粘性。
2. The thin ring of sunshine encircling the moon during an annular eclipse is called an annulus.
   在日环食期间，绕着月亮的那轮浅浅的太阳光就被称为环面。

Annulus-reinforcing band
On invariant curves of area-preserving maps of an annulus
Existence of quasi-periodic orbits for twist homeomorphisms of the annulus
Multimodal assessment of the aortic annulus diameter: implications for transcatheter aortic valve implantation
On the Existence of Positive Solutions for Semilinear Elliptic Equations in the Annulus
Activation and Entrainment Mapping Defines the Tricuspid Annulus as the Anterior Barrier in Typical Atrial Flutter
Human Intervertebral Disc Cells from the Annulus: Three-Dimensional Culture in Agarose or Alginate and Responsiveness to TGF-β1 ☆
Role of the tricuspid annulus and the eustachian valve/ridge on atrial flutter. Relevance to catheter ablation of the septal isthmus...
Electrophysiological Effects of Catheter Ablation of Inferior Vena Cava–Tricuspid Annulus Isthmus in Common Atrial Flutter
The influence of heat transfer and magnetic field on peristaltic transport of a Newtonian fluid in a vertical annulus: Application o...