Causes of pregnancy-related blood clots include: 1  decreased levels of natural anticoagulants such as total and free protein S, or antithrombin. 2  increased levels of procoagulant proteins such as FVIII, von Willebrand factor and fibrinogen. 3  decreased rate of blood flow, increasing the risk of blood pooling.
(redirected from Otos) Also found in: Dictionary, Thesaurus, Wikipedia. (Å`tÅ), Native North Americans, also called the Otoe, whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languagesNative American languages, languages of the native peoples of the Western Hemisphere and their descendants.
The term otosclerosis is derived from the Greek words for hard (scler-o) and ear (oto). It describes a condition of abnormal bone growth around the stapes bone, one of the tiny bones of the middle ear.This leads to a fixation of the stapes bone.ymptoms of Otosclerosis. Gradual hearing loss is the most frequent symptom of otosclerosis. Often, individuals with otosclerosis will first notice that they cannot hear low-pitched sounds or whispers.