From the case: Brainstem dissection (posterior view)

Used in the following article:

• Corpora quadrigemina - “ The corpora quadrigemina (Latin for "quadruplet bodies") are the four colliculi, two inferior and two superior, that sit on the quadrigeminal plat...”
• Quadrigeminal plate - “ The quadrigeminal plate, also known as the tectal plate or just as tectum, is the portion of the midbrain tectum upon which the superior and infer...”