Bleeding or spotting later in pregnancy may be a sign of a serious problem, like: 1  Preterm labor. This is labor that happens too early, before 37 weeks of pregnancy. 2  Placenta previa. This is when the placenta lies very low in the uterus and covers all or part of the cervix. 3  Placental abruption.
Afferent definition, bringing to or leading toward an organ or part, as a nerve or arteriole (opposed to efferent). See more.
(when: intr, foll by on or about) to explain or set forth (an argument, theory, etc) in detail: to expound on one's theories; he expounded his reasoning. [C13: from Old French espondre, from Latin expÅnere to set forth, from pÅnere to put]