General Anatomy · Skeletal System · Medium

Sphenoid

Meaning: A butterfly-shaped bone at the skull base, behind the eyes, housing the pituitary gland.

In practice: The pituitary sits in a hollow on the upper surface of the sphenoid.

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Two questions on related general anatomy words.

Which word means: The thin innermost membrane that encloses the fetus and the fluid surrounding it in the womb.

Which word means: A spiral-shaped structure in the inner ear that detects sound.

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