The lower jaw, or labium, is weak but may carry a spinneret, an organ used to create silk.
From the en.wikipedia.org
It is known that there are two taste receptors at the tip of the labium, which may well play a role.
From the en.wikipedia.org
The proboscis actually comprises the labium, a quadrupedal structure, and a sponge-like labellum at the end.
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The tip of the labium remains in contact with the skin of the victim, acting as a guide for the other mouthparts.
From the en.wikipedia.org
The labium still lies beneath the other mouthparts, but also enfolds them, and it has been extended into a proboscis.
From the en.wikipedia.org
Defensive end Mohamed Marah, who missed the Utes'game with a shoulder injury, has a labium tear and is seeking a second opinion.
From the usatoday.com
More specifically the visible part of the proboscis is the labium, which forms the sheath enclosing the rest of the mouthparts.
From the en.wikipedia.org
The labium forms the floor of the dragonfly's mouth, the labrum forms the top, while the hypopharynx is inside the mouth and is used in swallowing.
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In fippled or ducted flutes, a precisely formed and placed windway will compress and channel the air to the labium ramp edge across the open window.
From the en.wikipedia.org
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A liplike structure that bounds a bodily orifice (especially any of the four labiate folds of a woman's vulva)
Labium (plural labia) is a Latin-derived term meaning "Lip". Labium and its derivatives (including labial, labrum) are used to describe any lip-like structure, but in the English language, labium often specifically refers to parts of the vulva.
Insects (Class Insecta) exhibit a range of mouthparts, adapted to particular modes of feeding. The earliest insects had chewing mouthparts. ...
The structure that covers the anterior ventral part of the cephalothorax. It is one of the mouthparts, located between the two maxillae.
An outgrowth above the sporangium which partially or wholly covers the ligule.
The posterior border of the buccal field; the "lower lip" (see paragnath).
The mouthparts, or appendage on the sixth head segment, forming a 'lower lip'.
The median section anterior to the sternum
The second maxilla; the lower lip; a compound structure which forms the floor of the mouth in mandibulate insects.