| 释义 |
sto·ma
\ˈstōmə\ noun
(plural stoma·ta \-əd.ə sometimes ˈstäm-\ ; also stomas)
Etymology: New Latin, from Greek, mouth — more at stomach
1. : any of various small and simple openings or inlets (as an insect's spiracle) especially in a lower animal; especially : one of the many minute openings among the cells of a serous membrane affording direct communication with the adjacent lymph channels
2.
a. : one of the minute openings in the epidermis of leaves, stems, and other plant organs through which gaseous interchange between the atmosphere and the intercellular spaces within the leaf occurs; usually : the opening together with its associated guard cells and accessory cells
b. : stomium 1
c. : a fungal ostiole
3. : an artificial permanent opening in the abdominal wall made in surgical procedures (as colostomy, cecostomy, ileostomy) |