sphenoid
/'sfi:nɔid/
Definition
- Noun:
- A butterfly-shaped bone at the base of the skull: The sphenoid is a single, complex, unpaired bone situated in the middle of the skull base. Its shape is often compared to a butterfly or a bat with its wings extended. It is a central bone that articulates with and helps connect many other bones of the skull.
Usage
- The sphenoid bone is a crucial structural component of the cranium.
- It is primarily discussed in anatomical, medical, and biological contexts.
Examples
- Noun:
- The sphenoid forms part of the floor of the cranial cavity.
- A fracture to the sphenoid bone can be very serious due to its central location.
- The pituitary gland sits in a depression called the sella turcica, which is part of the sphenoid bone.
Advanced Usage
- "Sphenoid bone": The full anatomical term. While "sphenoid" alone typically refers to this bone, specifying "bone" is common for clarity.
- The surgeon carefully navigated around the sphenoid bone during the procedure.
- "Sphenoid sinus": One of the paired, air-filled cavities within the body of the sphenoid bone.
- An infection in the sphenoid sinus can cause deep-seated headaches.
Variants and Related Words
- Sphenoidal (adj): Relating to the sphenoid bone.
- The sphenoidal region was examined in the scan.
- Basisphenoid (n): A part or element related to the base of the sphenoid bone, often used in comparative anatomy (e.g., in some vertebrates).
Synonyms
- Sphenoid bone: The precise anatomical term.
- Os sphenoidale: The Latin anatomical term.
Related Phrases / Compound Terms
- Greater wing of the sphenoid: A major lateral projection of the sphenoid bone.
- Lesser wing of the sphenoid: A smaller, anterior projection.
- Sphenoidotomy: A surgical procedure to open the sphenoid sinus.
Noun
-
butterfly-shaped bone at the base of the skull
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ chứa "sphenoid"
Từ có nhắc đến "sphenoid"
