What's the difference between lenticel and lenticula?

Lenticel

Definition:

• (n.) 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.
• (n.) A small, lens-shaped gland on the under side of some leaves.

Example Sentences:

• (1) Win2--GUS fusions were also expressed as part of normal plant development, as GUS activity was detected in the developing buds and in a layer of cells associated with the lenticels of unwounded tubers.

Lenticula

Definition:

• (n.) A kind of eruption upon the skin; lentigo; freckle.
• (n.) A lens of small size.
• (n.) A lenticel.

Example Sentences:

• (1) Areas of abnormal signal, long T1 and long T2, caused by gliosis and edema were seen in the lenticula, thalami, caudatum, brain stem as well as in the dentate nuclei.