Title: Cross, longitudinal, and medial longitudinal sections of Grias purpuripetala. Photos by S. S. A. Mori.
Description: Cross, longitudinal, and medial longitudinal sections of Grias purpuripetala based on Angel et al. 282 from Nariño, Colombia. The cross section (lower left) reveals the number of locules and the longitudinal section (lower right) the type of placentation.The difference between a medial longitudinal section and a longitudinal section is that the latter does not go through the middle of the structure being sectioned. Plate prepared by C. Carollo.
Term:
Cross-section
Definition:
A cut at right angles to the axis of an organ. Same as transverse section.