The same as asking «when does linea
nigra appear?»
My very own linea
nigra appeared around week 23, just a few weeks shy of my third trimester.
Not exact matches
You may also notice a line
appearing between your pubic bone and navel which is called the linea
nigra.
A dark line called the linea
nigra that runs from the middle of the abdomen to the pubic area may
appear.
In the new study, researchers grew and collected black mustard (Brassica
nigra, pictured), flowering plants that commonly
appear around the world.
This transcription factor
appears to be key to the loss of A9 subtype dopamine neurons of the substantia
nigra in PD.