50. 唇紅緣(vermilion border of lip)之外表，覆蓋下列何種型態之上皮？
(A)薄層完全角化上皮(thin orthokeratinized epithelium)
(B)厚層完全角化上皮(thick orthokeratinized epithelium)
(C)不全角化上皮(parakeratinized epithelium)
(D)無角化上皮

1. 題目解析這道題目詢問的是唇紅緣（...