Historical clue formulations

• Vital carriers — 2024-09-28
• Blood lines — 2019-05-03
• Powerful bloodlines? — 2015-09-20
• Arterial tree components — 2015-02-07
• They have major bifurcations — 2011-01-15
• Blood lines — 2010-03-14
• Main lines — 2008-08-31
• Blood lines — 2008-01-09
• Corporeal conveyors — 2004-12-03
• Vascular viae — 2002-11-10
• Lines leading from pumping stations? — 1999-07-27
• Main lines — 1996-03-26
• Arteries — 1995-09-20
• Major blood vessels — 1995-06-20
• Central arteries — 1995-01-02