Historical clue formulations

• Suffix with proto- — 2024-08-15
• Suffix with ecto- or cyto- — 2024-07-02
• Suffix with cyto- or proto- — 2021-08-30
• Ending with cyto- or proto- — 2020-09-16
• Blood fluid — 2018-05-14
• Ending with neo- or proto- — 2016-09-20
• Blood component — 2014-09-02
• Lymph liquid — 2013-11-29
• Ending with cyto- — 2013-07-28
• Ecto- or proto- ending — 2011-09-26
• Ending with proto- — 2010-05-30
• Tissue material — 2008-04-25
• Cellular biology material — 2008-01-23
• Semifluid material — 2005-11-17
• Tissue: Suffix — 2004-07-22
• Lymph liquid — 2003-04-12
• Germ ___ (chromosome locale) — 1998-09-26
• Suffix with endo- or proto- — 1998-01-25
• Ecto or proto ending — 1994-05-30