[医] 皮孔(植物), 舌根腺

[ noun ]
one of many raised pores on the stems of woody plants that allow the interchange of gas between the atmosphere and the interior tissue
<noun.plant>

Lenticel \Len"ti*cel\ (l[e^]n"t[i^]*s[e^]l), n. [F. lenticelle,
dim. fr. L. lens, lentis, a lentil. Cf. {Lentil}.] (Bot.)
(a) One of the small, oval, rounded spots upon the stem or
branch of a plant, from which the underlying tissues may
protrude or roots may issue, either in the air, or more
commonly when the stem or branch is covered with water or
earth.
(b) A small, lens-shaped gland on the under side of some
leaves.