硬鳞质
![](http://images.weserv.nl/?url=//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Spotted_Gar_%28Lepisosteus_oculatus%29_%283149758934%29.jpg/250px-Spotted_Gar_%28Lepisosteus_oculatus%29_%283149758934%29.jpg)
硬鳞质(Ganoine 或 Ganoin)是辐鳍鱼纲鱼类鱼鳞、鱼头和鱼鳍上的闪亮的组织,常有许多层。[1] 包含一些杆状的磷灰盐结晶,只有少于5%的成分是有机物质。 [2] 现存的有硬鳞质的鱼类包括多鳍鱼和雀鳝,一些已灭绝物种也有硬鳞质。[3] 是硬鳞的主要组成部分。
硬鳞质是一种古老的结构,在许多基干类群中都有发现。[3] 常被认为是辐鳍鱼的共源性状,已灭绝的棘鱼纲鱼类也有硬鳞质。[3]
硬鳞质被认为与脊椎动物的牙釉质同源,[1] 亦或可能根本就是一种釉质。[2] 因为它含有类似牙釉蛋白的蛋白质[1] 并含有同四足动物的牙釉质相同的矿物质。[4]
参考文献
- ^ 1.0 1.1 1.2 L. Zylberberg, J. Y. Sire, A. Nanci. Immunodetection of amelogenin-like proteins in the ganoine of experimentally regenerating scales of Calamoichthys calabaricus, a primitive actinopterygian fish. The Anatomical Record. 1997-9, 249 (1): 86–95 [2019-02-12]. ISSN 0003-276X. PMID 9294653. (原始内容存档于2019-06-03).
- ^ 2.0 2.1 Benjamin J. F. Bruet, Juha Song, Mary C. Boyce, Christine Ortiz. Materials design principles of ancient fish armour. Nature Materials. 2008/09, 7 (9): 748–756 [2018-04-02]. ISSN 1476-4660. doi:10.1038/nmat2231. (原始内容存档于2021-08-11) (英语).
- ^ 3.0 3.1 3.2 M Richter. A microstructural study of the ganoine tissue of selected lower vertebrates. Zoological Journal of the Linnean Society: 173–212. [2018-04-02]. doi:10.1006/zjls.1995.0023. (原始内容存档于2018-06-04).
- ^ Ørvig, T. Phylogeny of tooth tissues: Evolution of some calcified tissues in early vertebrates.. Structural and Chemical Organization of Teeth. New York: Academic Press. 1967: 45–110.
|