Epicanthic fold Epicanthic fold The epicanthic fold is the skin fold of the upper eyelid, covering the inner corner (medial canthus) of the eye. Various factors influence whether epicanthic folds form, including ancestry, age, and certain medical conditions. The highest frequency of occurrence of epicanthic folds are found in: East Asians, Southeast Asians, Central Asians, North Asians, some South Asians, Polynesians, Micronesians, Indigenous Americans (as well as Mestizos), the Khoisan, Malagasy. In some of these populations the trait is almost universal. Epicanthic folds occur, but at considerably lower frequency, in: Europeans (e.g., Scandinavians, English, Irish, Hungarians, Russians, Poles, Lithuanians, Finns, Estonians and
Inframammary fold Inframammary fold Inframammary fold (IMF), inframammary crease or inframammary line is the feature of human anatomy which is a natural boundary of a breast from below, the place where the breast and the chest meet. The choice of the term depends on the prominence of the feature. It is also sometimes called inframammary ligament. From the cosmetological point of view it is an important aesthetic component of the breast, which should be taken into consideration during various kinds of breast surgery. Histologically, it was revealed that the inframammary fold is an intrinsic dermal structure consisting of regular arrays of collagen