Words similar to obligatory
Example sentences for: obligatory
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In vitro experiments with rat GCs have demonstrated that BMP-4 and -7 inhibit and stimulate FSH-induced progesterone and estradiol production, respectively [ 4 ] . In related studies BMP-6 and BMP-15 were found to block FSH action through inhibiting FSH-dependent adenylate cyclase activity and FSH receptor expression, respectively [ 11 12 ] . The importance of these findings is underscored by the fact that FSH action is obligatory for normal folliculogenesis and female fertility.
Newspapers noted congressional Republicans' tepid reactions and carried obligatory references to the "surreal" juxtaposition of the widely acclaimed speech with Clinton's embarrassing Senate trial earlier in the day.
The ligands ciliary neurotrophic factor (CNTF), cardiotrophin-1 (CT-1) and a novel neurotrophin set, known alternatively as NNT-1/BSF3 and CLF/CLC, also function through the high affinity LIFR:gp130 heterodimeric receptor but require a third ligand-binding but non-signaling subunit [ 1 2 3 4 ] . Oncostatin M (OSM) utilizes LIFR:gp130 as an alternative receptor complex for OSM signaling in humans [ 5 ] , but not in mice [ 6 ] . Thus, in mice LIFR:gp130 is obligatory for signaling induced by LIF, CNTF, CT-1 and CLF/CLC.
Basal POMC is reduced, but inducible upon stress [ 16 ] . Thus, an obligatory function of LIF may be in the processing of POMC to ACTH during acute stress.
This week's obligatory opining on Issue 2-- l'affaire Lewinsky --centers on the upcoming grand jury testimony of Linda Tripp.