sphenoid bone

noun

1. the large butterfly-shaped compound bone at the base of the skull, containing a protective depression for the pituitary gland

Example Sentences

The sphenoid bone is in front of the occipital, forming a part of the base of the skull.

From Project Gutenberg

The pituitary body itself is lodged in a cavity of the sphenoid bone called the pituitary fossa.

From Project Gutenberg