The chin is the forward pointed part of the anterior mandible (mental region) below the lower lip. A fully developed human skull has a chin of between 0.7 cm and 1.1 cm.

Jan 27, 2025 · The chin, also known as the mental region, is the lowermost part of the face, formed by the mandible (lower jawbone) and surrounding soft tissues. It is a prominent and distinct feature in humans, providing structural support and defining the contour of the lower face.

The chin is referred to as the mental region. The neck is referred to as the cervical region. The trunk of the body contains, from superior to inferior, the pubic region encompassing the area above the genitals. The pelvis and legs contain, from superior to inferior, the digital/phalangeal region encompassing the toes.

Jun 5, 2023 · Chin and Jaw. The chin is also called mental protuberance. This structure appears on the midline of the mandible. The chin has a pre-mental fat pad that is close to the tip of the chin, while the jaw and jawline form from the lateral portions of the mandible. The jawline has the inferior jowl fat pad just lateral to the pre-mental fat pad.

The chin is the bottom part of the face. It is under the mouth and is the forward part of the jaw. The chin is unique to present-day humans, our species. It is not present in the anthropoid apes, nor in any other hominin. [1] . Neanderthals did not have a human-type chin. [2] . In medical anatomy, the chin is called the "mental eminence".

Jun 15, 2024 · The chin, or mental protuberance, is the pointed part of the anterior mandible below the lower lip. A person clenches their jaw when stressed, while they might stroke their chin when thinking deeply. Both the jaw and chin contribute to facial aesthetics and function.

The projecting chin, at the lower part of the body in the midline, is said to be a distinctive characteristic of the human skull. On either side of the chin is the mental foramen, an opening for the mental branch of the mandibular nerve, the third division…

The part under your chin is called the submental region, which is crucial for various functions including speech and swallowing.

The chin (a.k.a. the mental protuberance) lies in the midline of the mandible anteriorly. The jaw line (or the lower border of the body of mandible) can be seen extending laterally from the chin, on either side.

Jul 5, 2024 · The Chin refers to the protruding part at the center of the lower jaw. It's a defining feature of human anatomy, giving shape to the lower face. In contrast, the Shin denotes the front portion of the leg situated below the knee and extending down to the ankle.