wypukłość in inglese:

some dinosaurs evolved protuberances on top of their heads

If the plant has been infected you will see dark protuberances along the stems.

they appear as slender rods with a bulge at one end, like a tadpole or maple seed.

His biceps bulged as he lifted the weights.

His wallet was so stuffed it made a bulge in his pants.

A detail texture: If the histogram shows a symmetrical "bulge" that is slightly to the left or right of the centre, you can bracket the bulge with the min/max input level arrows to get the brightness centred on 127.

His bags were bulging with presents for the children. My stomach is starting to bulge. I must get more exercise.

Bill is really fighting the battle of the bulge.