punctum

n.

点；色斑；凹陷；尖

The punctum plug: evaluation of a new treatment for the dry eye.
Efficacy of punctum plug treatment in short break-up time dry eye.
The "lazy-T"correction of ectropion of the lower punctum
Tear meniscus height, lower punctum lacrimale, and the tear lipid layer in normal aging
Packaging system for a medical device and particularly a punctum plug insertion device
Ocular surface changes in keratoconjunctivitis sicca with silicone punctum plug occlusion
Lacrimal drainage system endoscopic examination and surgery through the lacrimal punctum.
Pesticide susceptibility of two coccinellids (Stethorus punctum picipes and Harmonia axyridis) important in biological control of mi...
Effects of Several Types of Insecticides on the Mite Predator, Stethorus punctum (Coleoptera: Coccinellidae), Including Insect Growt...
Effect of buprofezin on survival of immature stages of Harmonia axyridis, Stethorus punctum picipes (Coleoptera: Coccinellidae), Ori...