Pterygoid bone

From WikiMD's Food, Medicine & Wellness Encyclopedia

Pterygoid bone is a small bone that is part of the skull. It is located in the nasal cavity, near the sphenoid bone. The pterygoid bone is part of the pterygoid process, which extends downward from the sphenoid bone. The pterygoid bone is important in the structure of the face and the mouth, and it plays a role in the movement of the jaw.

Etymology[edit | edit source]

The term "pterygoid" comes from the Greek words "pteryx" and "eidos", which mean "wing" and "form" respectively. This is because the pterygoid process, which the pterygoid bone is part of, is shaped like a wing.

Structure[edit | edit source]

The pterygoid bone is a small, thin bone that is part of the pterygoid process. The pterygoid process is a downward extension of the sphenoid bone, which is located at the base of the skull. The pterygoid process consists of two plates, the medial and lateral pterygoid plates, and the pterygoid bone is located between these two plates.

Function[edit | edit source]

The pterygoid bone plays a role in the structure of the face and the mouth. It helps to support the nasal cavity and the oral cavity, and it is involved in the movement of the jaw. The pterygoid bone is connected to several muscles, including the pterygoid muscles, which are involved in chewing and other movements of the jaw.

Related terms[edit | edit source]

  • Pterygoid process: The structure that the pterygoid bone is part of.
  • Pterygoid muscles: The muscles that are connected to the pterygoid bone.
  • Sphenoid bone: The bone that the pterygoid process extends from.
  • Nasal cavity: The space inside the nose, which the pterygoid bone helps to support.
  • Oral cavity: The space inside the mouth, which the pterygoid bone helps to support.
Pterygoid bone Resources
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Contributors: Prab R. Tumpati, MD