Das Organon vomero-nasale Jacobsoni — ein Wassergeruchsorgan!

Broman, Ivar

doi:10.1007/bf02033831

Cited by 113 publications

(35 citation statements)

References 7 publications

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“…der Macula lutea der Retina, was besagen würde, daß er einen «Ort des schärfsten Riechens» darstellen würde. Auch die Angaben von Broman [1920], Kerkhojf [ 1924] und Knappe [1964], daß das Vom eronasalsystem offenbar nu r aktiviert wird, wenn das Tier für einen Geruchsstoff Interesse bekommen hat, deuten in diese Richtung. Koelliker [1877] (zitiert nach M ann [1961]) hielt das Vome ronasalsystem für ein Organ des «Selbstriechens», Broman [1920] für ein Flüssigkeitsgeruchsorgan und nach Gastaut und Lammers [1961] haben verschiedene Autoren in seiner Rückentwicklung Zeichen einer Anpassung an das Erdenleben gesehen.…”

Section: Der Bulbus Olfactorius Accessorius Bei Insektivoren Und Primunclassified

Der Bulbus Olfactorius Accessorius Bei Insektivoren Und Primaten

Stephan¹

1965

Cells Tissues Organs

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Section: Der Bulbus Olfactorius Accessorius Bei Insektivoren Und Primunclassified

Der Bulbus Olfactorius Accessorius Bei Insektivoren Und Primaten

Stephan¹

1965

Cells Tissues Organs

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“…When and how did this sensory system originate? Broman (1920) suggested that the vomeronasal system is homologous with the nasal chemosensory system of ¢shes, and that the olfactory system arose later as an adaptation to terrestrial life. This hypothesis was based largely on mistaken interpretations of the innervation of nasal sensory epithelia and must be incorrect, for the projections of the olfactory bulb are highly conserved across vertebrates (Eisthen 1997).…”

Section: Introductionmentioning

confidence: 99%

Presence of the vomeronasal system in aquatic salamanders

Eisthen

2000

Phil. Trans. R. Soc. Lond. B

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Previous reports have indicated that members of the proteid family of salamanders lack a vomeronasal system, and this absence has been interpreted as representing the ancestral condition for aquatic amphibians. I examined the anatomy of the nasal cavities, nasal epithelia, and forebrains of members of the proteid family, mudpuppies (Necturus maculosus), as well as members of the amphiumid and sirenid families (Amphiuma tridactylum and Siren intermedia). Using a combination of light and transmission electron microscopy, I found no evidence that mudpuppies possess a vomeronasal system, but found that amphiuma and sirens possess both vomeronasal and olfactory systems. Amphiumids and sirenids are considered to be outgroups relative to proteids; therefore, these data indicate that the vomeronasal system is generally present in salamanders and has been lost in mudpuppies. Given that the vomeronasal system is generally present in aquatic amphibians, and that the last common ancestor of amphibians and amniotes is believed to have been fully aquatic, I conclude that the vomeronasal system arose in aquatic tetrapods and did not originate as an adaptation to terrestrial life. This conclusion has important implications for the hypothesis that the vomeronasal organ is specialized for detection of non-volatile compounds.

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“…Since Jacobson (1811) first described his observation of a paired organ in mammals situated in the nasal cavity, this organ, named after him, has been the centre of numerous publications under many different aspects (Herzfeld 1889, Broman 1920, Estes 1972, Johns 1978, Hofer 1982. Its histology soon showed it to be an accessory olfactory sense organ (Balogh 1891) while its biological function is still discussed frequently and controversely (Prescott 1977, Bailey 1978, O'Brien 1982, Hart 1987.…”

Section: Introductionmentioning

confidence: 99%

Functional anatomy of the vomeronasal complex in the embryonic development of the pig ( Sus scrofa dom. )

Wöhrmann-Repenning¹,

Barth-Müller²

1994

Acta Theriol.

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The vomeronasal complex of 5 different aged pig embryos Sus scrofa dom. Linnaeus, 1758 with a total length (TL) of 330, 180, 75, 50 and 45 mm respectively were studied. In all cases the nasopalatal part surrounding Jacobson's organ was generally established. During the studied period of development the completion of details within the cartilaginous supporting structures were of primary interest. In the youngest embryo studied, ducts and furrows of the vomeronasal complex were blocked by fused epitheliums. Their dissolvement was completed in an embryo of 57 mm (TL). The elaborated vomeronasal complex of the oldest embryo allowed some further analyses. So it proved that all morphological peculiarities of the supporting structures, the nasopalatine ducts and the papilla palatina in pigs are an indication of their importance to a properly functioning vomeronasal complex. As pigs have no rhinarium or cleft snout of the kind found in most mammals, no philtrum communicates with the sulcus papillae palatinae and the nasopalatine ducts where Jacobson's organs merge into. Their flat snout is however provided with a dinstict ventral groove which is obviously a substitute for the missing philtrum. Generally it was possible to classify the vomeronasal complex in S. scrofa from a phylogenetic point of view. As this anatomical system in placental mammals fundamentally reveals two differing construction types, classified as either primitive or progressive S. scrofa possesses a progressively developed vomeronasal complex.

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Das Organon vomero-nasale Jacobsoni — ein Wassergeruchsorgan!

Cited by 113 publications

References 7 publications

Der Bulbus Olfactorius Accessorius Bei Insektivoren Und Primaten

Der Bulbus Olfactorius Accessorius Bei Insektivoren Und Primaten

Presence of the vomeronasal system in aquatic salamanders

Functional anatomy of the vomeronasal complex in the embryonic development of the pig ( Sus scrofa dom. )

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