Difference between revisions of "Template:Streeter-embryo to fetus"

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| width=65px|[[File:George_L._Streeter.jpg|60px|alt=Embryology History George Streeter|link=Embryology History - George Streeter]]
 
| width=65px|[[File:George_L._Streeter.jpg|60px|alt=Embryology History George Streeter|link=Embryology History - George Streeter]]

Revision as of 14:03, 13 June 2019


+| Historic Embryology
Embryology History George Streeter In 1949 the embryologist George Streeter[1] used the replacement of cartilage within the humerus by bone marrow as an arbitrary definition of the embryo to fetus transition.
"If the onset can be recognized in a given specimen, that specimen is straightway classed as a fetus."