Graticule and Plexus

Graticule noun - A network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument.

Plexus and graticule are semantically related. In some cases you can use "Plexus" instead a noun "Graticule".

Plexus noun - A network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels.

Graticule and plexus are semantically related. You can use "Graticule" instead a noun "Plexus".