Although it is usually considered to be a single species, four different forms have been distinguished.

The two forms of goiter can be distinguished by name.

Now the form of a man could be distinguished, walking, as if from a great distance, toward Jaspin.

He also argued that the Court's traditional rule did not distinguish different forms of relief for standing purposes.

Therefore, it can be very difficult to distinguish different forms of genes if they are similar in certain sequence regions.

Mutations are often the only way to distinguish similar grammatical forms.

Different religious teachings distinguish and describe several stages or forms of ecstasy.

Human forms could be distinguished now, blurred as though animated through a frosted window.

These isomeric forms are distinguished by the position of the ligands.

Light forms should be distinguished from influenza and other related viral diseases.