File:Thompson04.jpg

Fig. 4. Model of heart, seen from behind

x75.

Legend

• r.p.j.,right primitive jugular vein
• r.s.v.,sinus venosui (right horn)
• rur.,right umbilical vein
• v.,ventricle
• t.p., transverse connecting piece
• l.s.v., sinus venosus (left horn)
• l.u.v., left umbilical vein
• t.p.j., left primitive jugular vein
• au., auricle; b.c., bulbus cordii
• a.s., aortic stem.

(Posterior cardinal vein not shown, but point of junction with the lower end of the primitive jugular vein is seen as a rounded knob.)

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Reference

<pubmed>17232769</pubmed>| PMC1289161