Lip - Wikipedia
Surface anatomy of the human lips. The skin of the lip, with three to five cellular layers, is very thin compared to typical face skin, which has up to 16 layers. With light skin color, the lip skin contains fewer melanocytes (cells which produce melanin pigment, which give skin its color).
Anatomy, Head and Neck, Lips - StatPearls - NCBI Bookshelf
2023年6月5日 · The lips are an essential aspect of the human face and play a critical role in facial expression, phonation, sensation, mastication, physical attraction, and intimacy. The upper and lower lips are known as, respectively, labium superius oris and labium inferius oris.
Lips | Encyclopedia | Anatomy.app | Learn anatomy | 3D models, …
The lips (Latin: labia) are soft, mobile and reddish paired anatomical structures that encircle the anterior opening leading to the oral cavity. They are part of the digestive system located in the lower aspect of the face, right below the nasal cavity.
Lips and Perioral Region Anatomy - Medscape
Overview. The lips surround the entrance to the oral cavity. They function to provide competence to the oral cavity during mastication and at rest. The lips affect uttered sounds that...
Lips | Formation, Function, Muscles | Britannica
lips, soft pliable anatomical structures that form the mouth margin of most vertebrates, composed of a surface epidermis (skin), connective tissue, and (in typical mammals) a muscle layer. In man the outer skin contains hair, sweat glands, and sebaceous (oil) glands.
Anatomy, Head and Neck, Oral Cavity (Mouth)
2023年8月14日 · The oral cavity is surrounded by the lips and is composed of two separate regions, the vestibule, the area between the cheeks, teeth, and lips, and the oral cavity proper.
Mouth | Definition, Anatomy, & Function | Britannica
3 天之前 · lips. mouth, in human anatomy, orifice through which food and air enter the body. The mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, and glottis.
Mouth Anatomy: Complete Guide with Parts, Names & Diagram
2024年4月28日 · The mouth anatomy has two main parts: the vestibule and the oral cavity. The vestibule is the area between the teeth and the lips, while the oral cavity proper is where the tongue sits and food gets chewed.
Facial muscles: Anatomy, function and clinical cases | Kenhub
2023年11月21日 · The facial muscles, also called craniofacial muscles, are a group of about 20 flat skeletal muscles lying underneath the skin of the face and scalp. Most of them originate from the bones or fibrous structures of the skull and radiate to insert on the skin.
Lips (Left) | Complete Anatomy - Elsevier
The lips are the soft, visible part of the humans’ mouth and comprise the upper and the lower lips. Together these serve as the gatekeepers of the oral cavity. Embryologically, the lower lip is derived from the first pharyngeal arch and covers the body of the mandible anteriorly.