Precursor

The medial aspect of the posterior parietal lobe, which is bounded anteriorly by the marginal branch of the cingulate sulcus, posteriorly by…

Refers to the time before a contrast agent is added in an imaging study.

A fact that must always be true just prior to the execution of some section of code.

If you are trying to have a baby or are just thinking about it, it is not too early to prepare for…

The time period prior to conception.

Unusually early sexual maturity.