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.
Home Â» Communication Â» Psychological Barriers to Communication. A barrier is any obstacle that prevents us from reaching our goal. Any hindrance to communication stops the intended meaning of our message from reaching our audience. Some of these barriers are obvious e.g. a physical disability like deafness while some are more subtle and difficult to pinpoint.