Vermilion Border: The paler skin rim that separates the vermilion from the rest of the skin.Ĭupid's Bow: The contour of the line formed by the upper lip's vermilion border. Confusion ensues when the vermilion is also referred to as the lips. Vermilion: This is the red area of the lips which is covered by a specialised stratified squamous epithelium that is continuous with the gingivolabial groove oral mucosa. Its functional properties, on the other hand, are unknown. It is prominent on the face, creating a focal point for cosmetics, and it is also a site for several skin diseases. It is devoid of sebaceous glands, sweat glands, and facial hair. It denotes the epidermis transition from highly keratinized external skin to less keratinized internal skin. It is occasionally used to apply lipstick. The vermilion border, also known as the margin or zone, is the normally distinct line that separates the lip from the adjacent normal skin. Type I: vertical lines that cross the entire or a portion of the lips Researchers discovered five distinct lip patterns: Lip print, which is based on the pattern of lines in your lips, is another way to classify lip types. Researchers are now developing geometric and computer models to more precisely describe lips. Such a distinctive feature is difficult to standardise. They can be plump or thin, heart-shaped or round, or a variety of other shapes and sizes. Lips can be classified in a variety of ways.
This muscle, along with others that radiate out into the cheeks, allows the lips to be shaped and expressed in a variety of ways. The orbicularis oris muscle, which encircles the opening, supplies the majority of the substance to each lip. These structural adaptations appear to aid the sucking process. The inner surface of newborn infants is significantly thicker, with sebaceous glands and minute projections known as papillae. A moist mucous membrane lines the inside of the lips. The reddish skin serves as a transition layer between the hair-bearing tissue on the outside and the mucous membrane on the inside. The lips' edges, known as the vermilion border, are covered with reddish skin and densely packed with sensitive nerve endings. Hair, sweat glands, and sebaceous (oil) glands are all found in the outer skin of a man. They are composed of a surface epidermis (skin), connective tissue, and a muscle layer (in typical mammals). Lips are soft, pliable anatomical structures that form the mouth margins of most vertebrates.
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