Germinal disc
Germinal disc may refer to:
In birds
The germinal disc, also called the blastodisc, is a small, circular, white spot (approximately 1.5-3 mm across) on the surface of the yellow yolk of a bird's egg.
In mammals
The blastodisc is a round single-cell layer of cells inside the blastula from which the embryo is going to form.
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gollark: Generally I prefer devices I can operate somewhat one-handed, and have a laptop (+ terrible mostly broken 5-year-old tablet I got from someone else) for anything fancy.
gollark: It was somewhat hard to find a decent phone below 6" or so when I was looking recently (yes I am using inches for screen size, yes the metric system is generally better, do not kill/laser me), when the standard a few years back was 5" as basically the biggest you would get.
gollark: It's weird, since people's *hands* aren't getting bigger.
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