Keywords: Gray688.png Section of the medulla oblongata at the level of the decussation of the pyramids Testut 1 Anterior median fissure 2 Posterior median sulcus 3 Motor roots 4 Sensory roots 5 Base of the anterior column from which the head 5 ™ has been detached by the lateral cerebrospinal fasciculus 6 Decussation of the lateral cerebrospinal fasciculus 7 Posterior columns in blue 8 Gracile nucleus Other fields 1 Information field Ucfirst Plate 688 before 1858 Henry Gray Anatomy of the Human Body See Book section below 688 Creator Henry Vandyke Carter Book Gray's Anatomy PD-old-100-1923 Gray's Anatomy plates Spinal cord |