orchidometer

Orchidometer - This is a set of small objects that look like eggs.

The orchidometer can be used to accurately determine size of testes.

Doctors know what size the orchidometer is.

An orchidometer (or orchiometer) is a medical instrument used to measure the volume of the testicles.

The degree of abnormality (or otherwise) of the testes can be determined by the use of an orchidometer.

The orchidometer was introduced in 1966 by Swiss pediatric endocrinologist Prof. Andrea Prader of the University of Zurich.

Professor Stephen Shalet, a leading endocrinologist who works for the Christie Hospital in Manchester, is reported to have told The Observer, "Every endocrinologist should have an orchidometer.