Figure 1
From: Placentation in Sigmodontinae: a rodent taxon native to South America
Gross morphology. (A) Cerradomys, near term (MZUSP/APC-1157). Chorioallantoic placenta (CA), umbilical cord (UC) and visceral yolk sac (VYS). (B) Histology of the placenta near term in Cerradomys (MZUSP/APC 1177-1) with the main regions of interest including decidua (D) with supplying maternal arteries (MA), junctional zone (JZ), and labyrinth (LAB). (C) Oligoryzomys. Near term placenta (MZUSP 32729-1).