Report Abuse. 1  Since blood donations are generally a pint, and there are 8 pints in a gallon, 8 donations would be a gallon as well. 2  This Site Might Help You. 3  For the best answers, search on this site https://shorturl.im/avFM4.  A gallon is 4.54 liters.
Perineural cysts, which are also known as Tarlov cysts, are fluid-filled sacs that form on nerves at the base of the spine. A person with such cysts would likely never know it. They almost never cause symptoms. When they do cause symptoms, however, the most common is pain in the lower back, buttocks, and legs.
An ovarian cyst, also known as a pelvic mass, is a fluid-filled sac that may develop on one or both ovaries due to ovarian cancer. Ovarian cysts, though, are common during a womanâs childbearing years and may simply occur with her menstrual cycle. These cysts, called functional cysts, are typically not cancerous. Post-menopausal women with ovarian cysts have a higher risk of cancer. Symptoms of ovarian cysts may include: