PittsburghV1, Main, Exploration, bibRecord, 000260

The vomeronasal organ of Lemur catta.

Identifieur interne : 000260 ( Main/Exploration ); précédent : 000259; suivant : 000261

The vomeronasal organ of Lemur catta.

Auteurs : Timothy D. Smith [États-Unis] ; Magdalena N. Muchlinski ; Kunwar P. Bhatnagar ; Emily L. Durham ; Christopher J. Bonar ; Anne M. Burrows

Source :

American journal of primatology [ 1098-2345 ] ; 2015.

RBID : pubmed:25220179

Descripteurs français

KwdFr :
- Animaux, Calicules gustatifs (anatomie et histologie), Femelle, Immunohistochimie, Lemur (anatomie et histologie), Lemur (physiologie), Mâle, Neurorécepteurs olfactifs (cytologie), Organe voméronasal (anatomie et histologie), Organe voméronasal (physiologie), Protéine GAP-43.
MESH :
- anatomie et histologie : Calicules gustatifs, Lemur, Organe voméronasal.
- cytologie : Neurorécepteurs olfactifs.
- physiologie : Lemur, Organe voméronasal.
- Animaux, Femelle, Immunohistochimie, Mâle, Protéine GAP-43.

English descriptors

KwdEn :
- Animals, Female, GAP-43 Protein, Immunohistochemistry, Lemur (anatomy & histology), Lemur (physiology), Male, Olfactory Receptor Neurons (cytology), Taste Buds (anatomy & histology), Vomeronasal Organ (anatomy & histology), Vomeronasal Organ (physiology).
MESH :
- chemical : GAP-43 Protein.
- anatomy & histology : Lemur, Taste Buds, Vomeronasal Organ.
- cytology : Olfactory Receptor Neurons.
- physiology : Lemur, Vomeronasal Organ.
- Animals, Female, Immunohistochemistry, Male.

Abstract

The vomeronasal organ (VNO), also known as the Jacobson's organ, is a bilateral chemosensory organ found at the base of the nasal cavity specialized for the detection of higher-molecular weight (non-volatile) chemostimuli. It has been linked to pheromone detection. The VNO has been well studied in nocturnal lemurs and lorises, but poorly studied in diurnal/cathemeral species despite the large repertoire of olfactory behaviors noted in species such as Lemur catta. Here, the VNO and associated structures were studied microanatomically in one adult female and one adult male L. catta. Traditional and immunohistochemical procedures demonstrate the VNO epithelium consists of multiple rows of sensory neurons. Immunoreactivity to Growth-associated protein 43 (GAP43) indicates the VNO is postnatally neurogenic. In volume, the VNO neuroepithelium scales similarly to palatal length compared to nocturnal strepsirrhines. Numerous taste buds present at the oral opening to the nasopalatine duct, with which the VNO communicates, provide an additional (or alternative) explanation for the flehmen behavior that has been observed in this species. The VNO of L. catta is shown to be microanatomically comparable to that of nocturnal strepsirrhines. Like nocturnal strepsirrhines, the VNO of L. catta may be functional in the reception of high-molecular weight secretions.

DOI: 10.1002/ajp.22326
PubMed: 25220179

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">The vomeronasal organ (VNO), also known as the Jacobson's organ, is a bilateral chemosensory organ found at the base of the nasal cavity specialized for the detection of higher-molecular weight (non-volatile) chemostimuli. It has been linked to pheromone detection. The VNO has been well studied in nocturnal lemurs and lorises, but poorly studied in diurnal/cathemeral species despite the large repertoire of olfactory behaviors noted in species such as Lemur catta. Here, the VNO and associated structures were studied microanatomically in one adult female and one adult male L. catta. Traditional and immunohistochemical procedures demonstrate the VNO epithelium consists of multiple rows of sensory neurons. Immunoreactivity to Growth-associated protein 43 (GAP43) indicates the VNO is postnatally neurogenic. In volume, the VNO neuroepithelium scales similarly to palatal length compared to nocturnal strepsirrhines. Numerous taste buds present at the oral opening to the nasopalatine duct, with which the VNO communicates, provide an additional (or alternative) explanation for the flehmen behavior that has been observed in this species. The VNO of L. catta is shown to be microanatomically comparable to that of nocturnal strepsirrhines. Like nocturnal strepsirrhines, the VNO of L. catta may be functional in the reception of high-molecular weight secretions.</div>
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The vomeronasal organ of Lemur catta.

The vomeronasal organ of Lemur catta.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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