Noun
The word is derived from maxilla
of Maxilla
Source: Webster's dictionaryOn the opposite movement, the mandibles are pushed deeper into the skin by levering against the maxillae. Source: Internet
The first maxillae are elongated into a tubular proboscis which is curled up at rest and expanded when needed to feed. Source: Internet
The maxillae do not slip back because the toothed blades grip the skin. Source: Internet