The effects of GnRH on the secretion of LH and FSH are not exactly parallel, and the variations are probably due to other modulating factors such as the serum concentrations of steroid hormones (substances secreted by the adrenal cortex, testes, and ovaries).
The noun OBSTACLE has 2 senses: 1. something immaterial that stands in the way and must be circumvented or surmounted. 2. an obstruction that stands in the way (and must be removed or surmounted or circumvented). Familiarity information: OBSTACLE used as a noun is rare.Dictionary entry details.. something immaterial that stands in the way and must be circumvented or surmounted. 2. an obstruction that stands in the way (and must be removed or surmounted or circumvented). Familiarity information: OBSTACLE used as a noun is rare.
Definition of object. 1  1a : something material that may be perceived by the senses I see an object in the distance.b : something that when viewed stirs a particular emotion (as pity) Look on the tragic loading of this bed â¦ the object poisons sight; let it be hid. â William Shakespeare.