mono-, mon-

(Greek: one, alone, single; a number used as a prefix)

Possession of a single body form throughout the life cycle.
Composed of cells or lesions of the same type.
A person who claims to have dreamed just once.
Pain along the course of one nerve.
1. A description of a cell that has a single nucleus.
2. An organic compound with a molecular structure containing only one ring of atoms.
A term, or name; especially, a scientific term, consisting of just one word.
A reference to a term (name) consisting of just one word.
A term which refers to anyone who uses only one name; such as, Madonna, Pelé, Odetta, Cher, Voltaire, Aristotle, Cicero, Adam, Eve (Adam and Eve), Hannibal, Hippocrates, Houdini, Michelangelo, Pythagoras, Socrates, Spartacus, and many others.

Uninomial also has the same application.

monopathophobia (s) (noun), monopathophobias (pl)
An abnormal panic of a particular disease: People suffering from monopathophobia tend to worry in an extreme way about contracting an illness in a certain part of the body.
A disease affecting a single part of the body or a single uncomplicated disease.
With reference to a flower, having the corolla in one piece or the petals united so as to form a tube; also known as gamopetalous and sympetalous.
monophagism, monophagia, monophagous, monophagy
1. A desire for only one kind of food.
2. The eating of only one meal a day.
The inability of a person to speak more than a single word or sentence.
Exhibiting only one phase or variation.
Referring to the inability to speak more than a single word or sentence.