| eclipse period | The time between infection by (or induction of) a bacteriophage, or other virus, and the appearance of mature virus within the cell; an interval of time during which viral infectivity cannot be recovered. Synonym: eclipse phase. (05 Mar 2000) |
|---|---|
| ejection period | The period in the cardiac cycle when the semilunar valves are open and blood is being ejected from the ventricles into the arterial system. Synonym: ejection period. (05 Mar 2000) |
| trenton period | <geology> A subdivision in the lower Silurian system of America; so named from Trenton Falls, in new York. The rocks are mostly limestones, and the period is divided into the Trenton, Utica, and Cincinnati epochs. Source: Websters Dictionary (01 Mar 1998) |
| extrinsic incubation period | Time required for the development of a disease agent in a vector, from the time of uptake of the agent to the time when the vector is infective. (05 Mar 2000) |
| fertile period | The period in a regularly menstruating woman's cycle, during which conception is most likely. (05 Mar 2000) |
| latency period | <psychology> The period from about 5 to 7 years to adolescence when there is an apparent cessation of psychosexual development. (12 Dec 1998) |
| latent period | A seemingly inactive period, as that between exposure of tissue to an injurious agent and the manifestation of response or that between the instant of stimulation and the beginning of response. (18 Nov 1997) |