1. either of the jointed appendages on the front of the mentum of an insect — see insect illustration
labial palpus 例句
英汉例句
sensillar diversity of maxillary palpus is similar to the labial palpus except for grooved basiconic sensilla, and that the number of sensillum is different.
比较研究发现下颚须和下唇须上感器类型除了带槽锥形感器以外基本相似,只是数量上有区别。
the external morphology of sensilla on maxillary and labial palpus of periplaneta fuliginosa(serville) was observed with scanning electron microscope.