The development of the ethmoidal region of Ascaphus truei (Stejneger)
dc.contributor.advisor | Jurgens, J. D. | |
dc.contributor.author | Baard, E. H. W. (Ernst Hendrik Wolfaardt) | |
dc.contributor.other | University of Stellenbosch. Faculty of Science. Dept. of Botany and Zoology | |
dc.contributor.other | Jacobs, Ivan | |
dc.date.accessioned | 2011-09-08T07:21:47Z | |
dc.date.available | 2011-09-08T07:21:47Z | |
dc.date.issued | 1982-12 | |
dc.description | Thesis (MSc)--University of Stellenbosch, 1982. | en_ZA |
dc.description.abstract | ENGLISH ABSTRACT:This study deals with the development of the ethmoidal region of Ascaphus truei Stejneger with special interest to the development of the nasal sacs, the diverticulum medium and the Jacobson's organ. This is to gather more information regarding the phylogeny of the structures. The opinions concerning the phylogenetical migration of the Jacobson's organ, are corroborated by the development of the organ in Ascaphus. The possible origin of the diverticulum medium from the nasal end of the nasolacrimal duct also is commented on. | en_ZA |
dc.description.abstract | No Afrikaans abstract available | |
dc.format.extent | 39 p. : ill. | |
dc.identifier.uri | http://hdl.handle.net/10019.1/16355 | |
dc.language.iso | en_ZA | en_ZA |
dc.publisher | Stellenbosch : University of Stellenbosch | en_ZA |
dc.rights.holder | University of Stellenbosch | en_ZA |
dc.subject | Ascaphus truei Stejneger | en_ZA |
dc.subject | North Western America | en_ZA |
dc.subject | Frogs | en_ZA |
dc.subject | Amphibians | en_ZA |
dc.subject | Frog with a tail | en_ZA |
dc.subject | Leiopelma | en_ZA |
dc.subject | Acquatic life | en_ZA |
dc.subject | Terrestrial life | en_ZA |
dc.subject | Dissertations -- Zoology | en_ZA |
dc.subject | Theses -- Zoology | en_ZA |
dc.subject | Tailed frog | en_ZA |
dc.subject | Skull | en_ZA |
dc.subject | Nasal sacs | en_ZA |
dc.subject | Diverticulum medium | en_ZA |
dc.subject | Jacobson's organ | en_ZA |
dc.title | The development of the ethmoidal region of Ascaphus truei (Stejneger) | en_ZA |
dc.type | Thesis | en_ZA |
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