Also found in: Dictionary, Thesaurus, Encyclopedia.
an exaggerated placenta reniformis curved in the form of a horseshoe; present in some twin pregnancies.
Farlex Partner Medical Dictionary © Farlex 2012
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
A formation in which the two placentae of a twin gestation are united.
See also: placenta
Medical Dictionary, © 2009 Farlex and Partners