def soma_surface_area(nrn, neurite_type=NeuriteType.soma):
assert neurite_type == NeuriteType.soma, '<STR_LIT>'<EOL>return <NUM_LIT:4> * math.pi * nrn.soma.radius ** <NUM_LIT:2><EOL>
Get the surface area of a neuron's soma.

    Note:
        The surface area is calculated by assuming the soma is spherical.