Sinus dur. matr. 

 transversus 



Saccus 

 endolymph 



Plexus 

 endolyn.ph 



(DM 



Fig. 5 Profile reconstruction of the endolymphatic appendage in a human 

 fetus of 130 mm. crown-rump length (No. 1018, Carnegie Collection). Com- 

 bined with it is a camera lucida drawing of the endol.ymphatic plexus, with its 

 connections, made from the other labyrinth of the same specimen which had been 

 cleared in oil. The numerals indicate communications of the endolymphatic 

 plexus with other veins: 1 and 2, dural veins; 3, vein draining plexus on dorsal 

 surface of utricle; 4, from plexus on median surface of utricle; 5, from posterior 

 ampulla and adjacent part of utricle and saccule; 6, veins from median surface 

 of saccule and cochlea. Enlarged 17h diameters. 



S3 



