After Februarius there was occasionally an additional month of Intercalaris intercalendar. This is the origin of the leap-year day being in February. In 46 BC, Julius Caesar reformed the Roman calendar (hence the Julian calendar) changing the number of days in many months and removing Intercalaris.
Daley[7] reviewed the. clinical differential diagnosis of a swelling of the lower. lip, listing mucocele, fibroma, lipoma, mucus retention. cyst, sialolith, phlebolith and salivary gland neoplasm. as possibilities. In patients under 20 years of age. mucocele is the most common nodular swelling of the.
The inferior limit of the lips in the central region is the mentolabial sulcus. Anatomically, the philtrum and its pillars are a part of the upper lip. The surface of the lip is comprised of four zones: hairy skin, vermilion border, vermilion and oral mucosa. The normal shape of the lips varies with age, and is influenced by ethnicity. Vermilion: The red part of the lips (Fig. 1). It is covered with a specialized stratified squamous epithelium, which is in continuity with the oral mucosa of the gingivolabial groove. Confusingly, the vermilion itself is also often referred to as the lips. Vermilion Border: