A Honor Society of Nursing (STTI) answered. Ovulation usually takes place about halfway through a normal 28-day menstrual cycle. After ovulation, the body produces high levels of the hormones progesterone and estrogen. The hormones thicken the lining of the uterus in anticipation of a fertilized egg. If no fertilization occurs after ovulation, after about 14 days the lining of the uterus is shed to begin menstruation.
Freebase(0.00 / 0 votes)Rate this definition: Safety data sheet. A safety data sheet, material safety data sheet, or product safety data sheet is an important component of product stewardship and occupational safety and health.
Volume Shadow Copy Service-based backup. A Volume Shadow Copy Service-based backup (VSS-based backup) is a Windows service that captures and creates snapshots called shadow copies. VSS, also known as Volume Snapshot Service, operates at the block level of the file system and enables virtual server backup in Microsoft environments. Download this free guide.