Sentence Examples

  • The actual piercing organs are the mandibles, while the upper lip or labrum forms a sucking tube.
  • The maxillae are not piercing organs, and their function is to protect the mandibles and labrum and separate the hairs or feathers of the host.
  • Maxillary and labial palpi are also present, and the latter, together with the labrum or lower lip, form the rostrum.
  • A, Labium; b, maxilla; c, labrum; d, mandible.
  • Below this comes the front, and then the face or clypeus, to which a very distinct upper lip (labrum) is usually jointed.