The backbone of the CIDR is a nylon spine covered by a progesterone (1.38 g) impregnated silicone skin. During the seven days in the vagina the CIDR releases a relatively constant dosage of progesterone. Upon removal of the insert, progesterone is quickly eliminated.
variant. an organism or tissue that is different from the majority of the population but is still sufficiently similar to the common mode to be considered to be one of them, e.g. a variant strain of classical swine fever (hog cholera) virus. 1  Facebook.
Definition. A dialect is a regional or social variety of a language distinguished by pronunciation, grammar, and/or vocabulary. Adjective: dialectal. The term dialect is often used to characterize a way of speaking that differs from the standard variety of the language.