名詞 maxilla:

1. the jaw in vertebrates that is fused to the cranium
   同義詞：upper jaw, upper jawbone, maxillary

max.il.la

n.（名詞）
【復數】 max.il.lae[m2k-sl.ô] 或 max.il.las
Anatomy Either of a pair of bones of the human skull fusing in the midline and forming the upper jaw.
【解剖學】 （人類的）上頷骨：人類頭骨中線兩側形成上頷的兩塊骨頭
A homologous bone of the skull in other vertebrates.
其他脊椎動物頭蓋骨中的相應骨頭
Either of two laterally moving appendages situated behind the mandibles in insects and most other arthropods.
（昆蟲的）下顎骨：位于昆蟲和大多數其他節(jié)肢動物上顎后面的附屬活動器官

來源：
Latin [jawbone]
拉丁語 [頷骨]