Abstract：
:In 15 foetuses, ranging in age from the 8th to the 23rd menstrual week, the development of ciliated cells in the nose was analysed quantitatively by counting ciliated cells in high power fields. The formation of ciliated cells is the first step in the differentiation from embryonic to respiratory epithelium, which starts in the 9th menstrual week. The density of ciliated cells increases strongly and reaches a maximum already in the 16th week. It does not further increase in older foetuses and prematures. Based on the rapid increase in density it is assumed that the differentiation of ciliated cells takes about 2-3 days which is considerably shorter than for goblet cells.
journal_name
Rhinologyjournal_title
Rhinologyauthors
Larsen P,Tos Msubject
Has Abstractpub_date
1982-09-01 00:00:00pages
138-43issue
3eissn
0300-0729issn
1996-8604journal_volume
20pub_type
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