**3.1 Congenital form**

Wandering spleen is in most cases a randomly distributed birth defect but in some cases it can be part of a syndrome.

Fig. 1. Transverse section. Development of peritoneal reflexions of spleen during primitive embryonic stage. Coeliac artery territory.

Fig. 2. Transverse section. Peritoneal reflexions of spleen are developed from dorsal mesogastrium (primitive dorsal mesentery).

Fig. 3. Frontal section showing the formation of splenocolic ligament and phrenicocolic ligament
