Advalvar

Advalvar refers to a part of a diatom that is closer to, or toward, the valve face. In Latin, the prefix ad- means toward. For example, the advalvar edge of a girdle band underlaps the edge of the adjacent girdle band.

Citations

Round, F.E., Crawford, R.M. and Mann, D.G. (1990) The Diatoms. Biology and Morphology of the Genera. Cambridge University Press, Cambridge, 747 pp.

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