system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following structure is/are ascending from foramen Magnum?
assistant
The correct answer is  The foramen magnum transmits the following:
Through the narrow anterior part

Apical ligament of dens.
Vertical band of cruciate ligament.

Membrana tectoria.
Through wider posterior part

Lowest part of medulla oblongata.
Three meninges.

Through the subarachnoid space pass:

Spinal accessory nerves.
Vertebral arteries.
Sympathetic plexus around the vertebral arteries.
Posterior spinal arteries.
Anterior spinal artery.