Quantitative aspects of proliferation in the nasal epithelium of the rhesus monkey embryo

D. B. Wilson, Andrew G Hendrickx

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Proliferation was studied in the nasal epithelium of rhesus monkey embryos ranging in age from 26 through 41 days of gestation (stages 13-20). Labeling indices were tabulated 1 h after an intrachorionic injection with [3H]thymidine, and the distribution of labeled cells was determined at intervals ranging from 1 h to 11 h after injection. The laveling index showed a chronological decrease from 69.4% in the nasal placode at stage 13 to 31.6% in the nasal pit at stage 20. The vomeronasal epithelium was distinctive in that the basal cells lost their ability to incorporate [3H]thymidine as early as stage 18. In the remainder of the nasal epithelium, mitotic figures were initially confined to apical regions but later occurred in basal regions as the embryonic pattern of proliferation became converted to the adult type.

Original languageEnglish (US)
Pages (from-to)217-226
Number of pages10
JournalJournal of Embryology and Experimental Morphology
VolumeVol. 38
StatePublished - 1977
Externally publishedYes

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology
  • Anatomy
  • Embryology

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