NEET PG DENTAL EXAM

Detailed explanation-1: -The anterior median fissure provides a groove in which the anterior spinal artery sits. From here, it provides the anterior part of the spinal cord. It is sourced from the segmental medullary arteries and the segmental spinal arteries which are sourced from the intercostal arteries.

Detailed explanation-2: -Definition. The anterior median fissure of the spinal cord has an average depth of about 3 mm, but this is increased in the lower part of the medulla spinalis.

Detailed explanation-3: -The spinal cord has fissure and sulci. The anterior median fissure is located centrally, and the anterior white commissure is present at its base. The posterior median sulcus is present posteriorly, and the posterolateral sulcus is present on either side of it. The anterior nerve roots exit at the anterolateral sulcus.