Talk:Harvard Collection: Difference between revisions
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24 somites, Johnson, Harvard Collection, Boston. Com- plete description, based on many models and histological study, published in monographic form by Johnson (1917). Rostral and caudal neuropores closed. Otic vesicle retains a narrow opening to surface. Three pharyngeal arches are present. Hepatic trabeculae invading framework of liver. Um- bilical vesicle is compressed rostrocaudally, i.e., early um- bilical stalk. Probably originally 25 somites (Arey, 1938). | |||
Revision as of 13:19, 15 November 2017
24 somites, Johnson, Harvard Collection, Boston. Com- plete description, based on many models and histological study, published in monographic form by Johnson (1917). Rostral and caudal neuropores closed. Otic vesicle retains a narrow opening to surface. Three pharyngeal arches are present. Hepatic trabeculae invading framework of liver. Um- bilical vesicle is compressed rostrocaudally, i.e., early um- bilical stalk. Probably originally 25 somites (Arey, 1938).
