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(fù)數(shù)】 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(xué)】 （人類(lèi)的）上頷骨：人類(lèi)頭骨中線(xiàn)兩側(cè)形成上頷的兩塊骨頭
A homologous bone of the skull in other vertebrates.
其他脊椎動(dòng)物頭蓋骨中的相應(yīng)骨頭
Either of two laterally moving appendages situated behind the mandibles in insects and most other arthropods.
（昆蟲(chóng)的）下顎骨：位于昆蟲(chóng)和大多數(shù)其他節(jié)肢動(dòng)物上顎后面的附屬活動(dòng)器官

來(lái)源：
Latin [jawbone]
拉丁語(yǔ) [頷骨]