Autoimmunity. The immune system is a complex set of organs, cells, proteins and other substances that function to prevent infection. Primary immunodeficiency diseases are characterized by abnormalities in specific components of the immune system that lead to an increased susceptibility to infection.
How to Measure Ounces. Ounces are a measurement of mass or weight, and as such, you should use a scale when measuring ounces for a recipe, experiment, or similar procedure. In contrast, fluid ounces are a measurement of volume, so they are measured in a different manner. Note that there are also ways to estimate mass in ounces if precision is not necessary, and if required, you can easily convert a few other units of measurement into ounces.
2. ounce-a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams. oz. avoirdupois unit-any of the units of the avoirdupois system of weights.. ounce-a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams. oz. avoirdupois unit-any of the units of the avoirdupois system of weights.