papilla

Japanese: papilla
papilla

… The skin of vertebrates is made up of two layers: the epidermis (epidermis) made of stratified squamous epithelium, and the dermis (dermis) made of tough connective tissue densely packed with collagen fibers. The dermis has numerous projections called papillae that extend toward the epidermis, and the epidermis and dermis are tightly attached to each other by a wide, highly uneven adhesive surface. The dermis and epidermis contain pigment cells that contain various amounts of melanin pigment, which are the basis of the body colors of various animals. …

*Some of the terminology that mentions "papilla" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… 脊椎動物の皮膚は,重層扁平上皮からなる表皮epidermisと,膠原繊維が密に集合した強靱結合組織からなる真皮dermisの2枚1組でつくられている。真皮は乳頭papillaと呼ばれる無数の突起を表皮に向かって伸ばしており,凹凸の激しい広い接着面により,表皮と真皮は決して離れることなくぴったりくっついている。真皮と表皮には,さまざまな程度にメラニン色素を含む色素細胞が存在し,いろいろな動物の体色のもととなっている。…

※「papilla」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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