Look up: Secretory Phase

1. secretory phase
   [n] - the second half of the menstrual cycle after ovulation
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. secretory phase
   luteal phase noun the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
3. secretory phase
   the phase of the uterine cycle, corresponding to the luteal phase of the ovarian cycle, during which the endometrium, under the influence of progesterone and estrogen from the corpus luteum, thickens and the spiral arteries increase in prominence and become longer and more coiled, with the development of large venous lacunae.
   Found on http://www.encyclo.co.uk/local/21001
   
   
4. Secretory Phase
   The last half of the menstrual cycle, after ovulation, in which the endometrium is prepared for the fertilized egg to implant. If fertilization does not occur, the uterine lining is shed and mesntrual bleeding will begin.
   Found on http://www.pregnology.com/AZ/S/2