| G0 | quiescent phase of cells leaving the mitotic cycle |
|---|---|
| G1 | presynthetic gap [phase of cells prior to DNA synthesis] |
| G2 | postsynthetic gap [phase of cells following DNA synthesis] |
| HFO-A | high-frequency oscillatory [ventilation]-active [expiratory phase] |
| IPD | idiopathic Parkinson disease; idiopathic protracted diarrhea; immediate pigment darkening; increase ... |
premenstrual phase
| preimplantation phase | The time period between fertilization and implantation. (12 Dec 1998) |
|---|---|
| premeiotic phase | The stage of nuclear changes in the sexual cells before the reduction of the chromosomes, embracing the cell generations up to that of the spermatogonia and oogonia. Synonym: prereduction phase. (05 Mar 2000) |
| premitotic phase | The period in the cell cycle when synthesis of DNA is completed but before mitosis begins. Synonym: Gap2 phase, premitotic phase. (05 Mar 2000) |
| pre-oedipal phase | In psychoanalysis, the collective phase's of psychosexual development preceding the oedipal phase. (05 Mar 2000) |
| prereduction phase | The stage of nuclear changes in the sexual cells before the reduction of the chromosomes, embracing the cell generations up to that of the spermatogonia and oogonia. Synonym: prereduction phase. (05 Mar 2000) |
| horizontal growth phase | An early stage of development of cutaneous melanoma by intraepidermal spread of atypical melanocytes. (05 Mar 2000) |
| sleep phase delay syndrome | <syndrome> A disorder in which the circadian rhythm of sleep and waking falls into a delayed but stable relationship with external time cues of day and night. (05 Mar 2000) |
| soil phase | A subdivision of a soil series having features (for example, slope, surface texture, thickness and stoniness) that affect the use and management of the soil, but which do not vary sufficiently to differentiate it as a separate series. (09 Oct 1997) |
| solid phase immunoassay | Immunoassay in which the antigen or serum is bound to a solid surface, such as a microplate wall or the sides of a tube, the other reactants being free in solution. (05 Mar 2000) |
| S phase | <cell biology> The phase of the cell cycle during which DNA replication takes place. (18 Nov 1997) |
| stationary phase | The plateau of the growth curve after log growth in a culture, duringwhich cellnumber remains constant. New cells are produced at the same rate as oldercells die. (09 Oct 1997) |
| negative phase | The period during which the opsonic index is lowered following the injection of a vaccine. (05 Mar 2000) |
| death phase | <cell culture> The final growth phase in a culture, during which nutrients have been depleted and cell number decreases. (09 Oct 1997) |
| supernormal recovery phase | A brief period during the recovery of cardiac muscle following excitation when diseased muscle is more (i.e., less abnormally) excitable; corresponds to the end of the T wave in the ECG. (05 Mar 2000) |
| synaptic phase | <cell biology> The specific pairing of the chromatids of homologous chromosomes during prophase I of meiosis. It allows crossing over to take place. (18 Nov 1997) |
| phase IV trial |
Once a treatment has been approved and is being marketed, it is studied in a phase IV trial to evaluate side effects of the new treatment that were not apparent in the phase III trial. Thousands of people are involved in a phase IV trial.
Ãâó: www.spineuniverse.com/community/cancerdictionary.h...
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|---|---|
| phase |
A particular angular stage or point of advancement in a cycle; the fractional part of the angular period through which the wave has advanced, measured from the phase reference.
Ãâó: www.srh.weather.gov/srh/jetstream/append/glossary_...
|
| phase I trial |
Clinical trial conducted to find the safest dose and most effective way to give a new cancer treatment to patients, as well as identify potential side effects. Phase I trials are usually limited to a small number of patients who would not be helped by other known treatments.
Ãâó: www.melanomacenter.org/glossary/p.html
|
| phase II trial |
Clinical trial conducted to test how well a new cancer treatment works against a certain type of cancer.
Ãâó: www.melanomacenter.org/glossary/p.html
|
| phase |
A time based relationship between a periodic function and a reference. In electricity, it is expressed in angular degrees to describe the voltage or current relationship of two alternating waveforms.
Ãâó: www.flw.com/define_p.htm
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