Development of the pattern of dentition and dental laminae of costa rican plethodontid salamanders (Amphibia: Urodela)
Identifieur interne : 008F54 ( Main/Exploration ); précédent : 008F53; suivant : 008F55Development of the pattern of dentition and dental laminae of costa rican plethodontid salamanders (Amphibia: Urodela)
Auteurs : Jens Ehmcke [Allemagne] ; Günter Clemen [Allemagne]Source :
- Annals of Anatomy [ 0940-9602 ] ; 2000.
English descriptors
- KwdEn :
- Abscondens, Amphibia, Anterior, Anterior vomeral part, Anterior vomeral parts, Arrowhead, Bolitoglossa, Bolitoglossa subpalmata, Caudal, Caudal margin, Clemen, Connective tissue, Costa, Costa rica, Costa rican plethodontid salamanders, Dental lamina, Dental laminae, Dentaries, Dentigerous bones, Dentition, Developmental stages, Direct development, Double arrow, Ehmcke, Epithelium, Eurycea, Female adults, Fetus, Greven, Hatchling, Intermaxillary gland, Lamina, Larval, Light microscopy, Lower jaws, Maxillary, Monostichously, Monostichously toothed, Morphologische untersuchungen, Mouth cavity, Mutz, Neutral formaldehyde, Nototriton abscondens, Oedipina, Pars dentalis, Partes dentales, Plethodontidae, Posterior vomeral, Posterior vomeral parts, Premaxillary, Premaxillary teeth, Replacement teeth, Rica, Salamandra, Salamandra salamandra, Scanning electron microscopy, Sequence of dentition pattern formation, Serial sections, Skull, Subpalmata, Teeth of jaws and vomer, Terrestrial salamanders, Tooth germs, Tooth sites, Tooth systems, Uniformis, Upper skull, Urodela, Urodele, Vomer, Vomeral, Vomerine, Vomerine tooth patches, Wilhelm archives clemen, Young animals, Zool.
- Teeft :
- Abscondens, Amphibia, Anterior, Anterior vomeral part, Anterior vomeral parts, Arrowhead, Bolitoglossa, Bolitoglossa subpalmata, Caudal, Caudal margin, Clemen, Connective tissue, Costa, Costa rica, Costa rican plethodontid salamanders, Dental lamina, Dental laminae, Dentaries, Dentigerous bones, Dentition, Developmental stages, Direct development, Double arrow, Ehmcke, Epithelium, Eurycea, Female adults, Fetus, Greven, Hatchling, Intermaxillary gland, Lamina, Larval, Light microscopy, Lower jaws, Maxillary, Monostichously, Monostichously toothed, Morphologische untersuchungen, Mouth cavity, Mutz, Neutral formaldehyde, Nototriton abscondens, Oedipina, Pars dentalis, Partes dentales, Plethodontidae, Posterior vomeral, Posterior vomeral parts, Premaxillary, Premaxillary teeth, Replacement teeth, Rica, Salamandra, Salamandra salamandra, Scanning electron microscopy, Serial sections, Skull, Subpalmata, Terrestrial salamanders, Tooth germs, Tooth sites, Tooth systems, Uniformis, Upper skull, Urodela, Urodele, Vomer, Vomeral, Vomerine, Vomerine tooth patches, Wilhelm archives clemen, Young animals, Zool.
Abstract
Summary: The pattern of development of teeth and dental laminae of three Costa Rican plethodontids (Amphibia, Urodela, Plethodontidae) was investigated using transparent preparations, light microscopy and scanning electron microscopy. The teeth of the jaws are monostichously positioned, those of the posterior vomeral parts are polystichously arranged. The anterior vomeral parts carry monostichously positioned teeth at the caudal margin; yet, the adult Bolitoglossa subpalmata possesses two lines. As a sex dimorphism adult males display long monocuspid premaxillary teeth which protrude to the outside of the mouth cavity. All species studied possess paired dental laminae in the lower jaw.Nototriton abscondens possesses an unpaired dental lamina in the upper jaw, which is constricted between the unpaired premaxillary and the maxillaries. In contrast, the dental laminae in the upper jaw of B. subpalmata and Oedipina uniformis are segmented into a premaxillary and two maxillary laminae. All species possess a pair of anterior vomeral and a pair of posterior vomeral dental laminae in the adults, whereas the vomeral dental laminae of the subadults are unsegmented. The pattern of dentition is compared with that of Gyrinophilus and Eurycea.
Url:
DOI: 10.1016/S0940-9602(00)80005-9
Affiliations:
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type="ISSN">0940-9602</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="2000">2000</date><biblScope unit="volume">182</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="327">327</biblScope><biblScope unit="page" to="338">338</biblScope></imprint><idno type="ISSN">0940-9602</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0940-9602</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Abscondens</term><term>Amphibia</term><term>Anterior</term><term>Anterior vomeral part</term><term>Anterior vomeral parts</term><term>Arrowhead</term><term>Bolitoglossa</term><term>Bolitoglossa subpalmata</term><term>Caudal</term><term>Caudal margin</term><term>Clemen</term><term>Connective tissue</term><term>Costa</term><term>Costa rica</term><term>Costa rican plethodontid salamanders</term><term>Dental lamina</term><term>Dental laminae</term><term>Dentaries</term><term>Dentigerous bones</term><term>Dentition</term><term>Developmental stages</term><term>Direct development</term><term>Double arrow</term><term>Ehmcke</term><term>Epithelium</term><term>Eurycea</term><term>Female adults</term><term>Fetus</term><term>Greven</term><term>Hatchling</term><term>Intermaxillary gland</term><term>Lamina</term><term>Larval</term><term>Light microscopy</term><term>Lower jaws</term><term>Maxillary</term><term>Monostichously</term><term>Monostichously toothed</term><term>Morphologische untersuchungen</term><term>Mouth cavity</term><term>Mutz</term><term>Neutral formaldehyde</term><term>Nototriton abscondens</term><term>Oedipina</term><term>Pars dentalis</term><term>Partes dentales</term><term>Plethodontidae</term><term>Posterior vomeral</term><term>Posterior vomeral parts</term><term>Premaxillary</term><term>Premaxillary teeth</term><term>Replacement teeth</term><term>Rica</term><term>Salamandra</term><term>Salamandra salamandra</term><term>Scanning electron microscopy</term><term>Sequence of dentition pattern formation</term><term>Serial sections</term><term>Skull</term><term>Subpalmata</term><term>Teeth of jaws and vomer</term><term>Terrestrial salamanders</term><term>Tooth germs</term><term>Tooth sites</term><term>Tooth systems</term><term>Uniformis</term><term>Upper skull</term><term>Urodela</term><term>Urodele</term><term>Vomer</term><term>Vomeral</term><term>Vomerine</term><term>Vomerine tooth patches</term><term>Wilhelm archives clemen</term><term>Young animals</term><term>Zool</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Abscondens</term><term>Amphibia</term><term>Anterior</term><term>Anterior vomeral part</term><term>Anterior vomeral parts</term><term>Arrowhead</term><term>Bolitoglossa</term><term>Bolitoglossa subpalmata</term><term>Caudal</term><term>Caudal margin</term><term>Clemen</term><term>Connective tissue</term><term>Costa</term><term>Costa rica</term><term>Costa rican plethodontid salamanders</term><term>Dental lamina</term><term>Dental laminae</term><term>Dentaries</term><term>Dentigerous bones</term><term>Dentition</term><term>Developmental stages</term><term>Direct development</term><term>Double arrow</term><term>Ehmcke</term><term>Epithelium</term><term>Eurycea</term><term>Female adults</term><term>Fetus</term><term>Greven</term><term>Hatchling</term><term>Intermaxillary gland</term><term>Lamina</term><term>Larval</term><term>Light microscopy</term><term>Lower jaws</term><term>Maxillary</term><term>Monostichously</term><term>Monostichously toothed</term><term>Morphologische untersuchungen</term><term>Mouth cavity</term><term>Mutz</term><term>Neutral formaldehyde</term><term>Nototriton abscondens</term><term>Oedipina</term><term>Pars dentalis</term><term>Partes dentales</term><term>Plethodontidae</term><term>Posterior vomeral</term><term>Posterior vomeral parts</term><term>Premaxillary</term><term>Premaxillary teeth</term><term>Replacement teeth</term><term>Rica</term><term>Salamandra</term><term>Salamandra salamandra</term><term>Scanning electron microscopy</term><term>Serial sections</term><term>Skull</term><term>Subpalmata</term><term>Terrestrial salamanders</term><term>Tooth germs</term><term>Tooth sites</term><term>Tooth systems</term><term>Uniformis</term><term>Upper skull</term><term>Urodela</term><term>Urodele</term><term>Vomer</term><term>Vomeral</term><term>Vomerine</term><term>Vomerine tooth patches</term><term>Wilhelm archives clemen</term><term>Young animals</term><term>Zool</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Summary: The pattern of development of teeth and dental laminae of three Costa Rican plethodontids (Amphibia, Urodela, Plethodontidae) was investigated using transparent preparations, light microscopy and scanning electron microscopy. The teeth of the jaws are monostichously positioned, those of the posterior vomeral parts are polystichously arranged. The anterior vomeral parts carry monostichously positioned teeth at the caudal margin; yet, the adult Bolitoglossa subpalmata possesses two lines. As a sex dimorphism adult males display long monocuspid premaxillary teeth which protrude to the outside of the mouth cavity. All species studied possess paired dental laminae in the lower jaw.Nototriton abscondens possesses an unpaired dental lamina in the upper jaw, which is constricted between the unpaired premaxillary and the maxillaries. In contrast, the dental laminae in the upper jaw of B. subpalmata and Oedipina uniformis are segmented into a premaxillary and two maxillary laminae. All species possess a pair of anterior vomeral and a pair of posterior vomeral dental laminae in the adults, whereas the vomeral dental laminae of the subadults are unsegmented. The pattern of dentition is compared with that of Gyrinophilus and Eurycea.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>District de Münster</li><li>Rhénanie-du-Nord-Westphalie</li></region><settlement><li>Münster</li></settlement></list><tree><country name="Allemagne"><region name="Rhénanie-du-Nord-Westphalie"><name sortKey="Ehmcke, Jens" sort="Ehmcke, Jens" uniqKey="Ehmcke J" first="Jens" last="Ehmcke">Jens Ehmcke</name></region><name sortKey="Clemen, Gunter" sort="Clemen, Gunter" uniqKey="Clemen G" first="Günter" last="Clemen">Günter Clemen</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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