columella

/kol-yuh-mel-uh/US // ˌkɒl yəˈmɛl ə //UK // (ˌkɒljʊˈmɛlə) //

结肠癌,结肠镜,菌落总数,结肠炎

Definitions

n.名词 noun

1
plural col·u·mel·lae [kol-yuh-mel-ee]. /ˌkɒl yəˈmɛl i/. Biology.
- : any of various small, columnlike structures of animals or plants; rod or axis.Mycology.a small central column of sterile tissue within the sporangium of certain fungi, liverworts, and mosses.
- : a small bone in the ear of amphibians, reptiles, and birds.

Gesner quotes the words of Columella, and adds, that he found these mules in Grenoble, and which are called in French jumars.
As an amusing contrast to this well drawn picture, I give an extract from the work of that ancient agriculturist Columella.
In others the spiral winds round a solid central pillar which is spoken of as the columella.
The villa, as described by Varro and Columella, before and shortly after the Christian era, was a farma jundus.
In reptiles the upper segment of the second arch formed, as in birds, the columella.