Prey transport in “palatine‐erecting” elapid snakes
Identifieur interne : 007E81 ( Main/Exploration ); précédent : 007E80; suivant : 007E82Prey transport in “palatine‐erecting” elapid snakes
Auteurs : Alexandra Deufel [États-Unis] ; David Cundall [États-Unis]Source :
- Journal of Morphology [ 0362-2525 ] ; 2003-12.
English descriptors
- KwdEn :
- Adductor, Adductor externus, Adductor externus medius, Adductor mandibulae externus, Anterior, Aspidelaps, Bers, Bogert, Braincase, Choanal, Choanal passage, Choanal process, Cundall, Dendroaspis, Dendroaspis polylepis, Depressor mandibulae, Deufel, Dorsal, Dorsal portion, Dorsal surface, Dorsolateral, Ectopterygoid, Elapid, Elapid snakes, Erectors, Exion, Externus, Fang, Functional unit, Gans, Haas, Hypochoanal cartilage, Kardong, Lateral, Lateral view, Laterally, Levator, Levator pterygoideus, Long axis, Mandible, Mandibulae, Maxilla, Maxillary, Maxillary process, Maxillary rotation, Mcdowell, Medial, Micrurus, Micrurus frontalis, Mouth opening, Naja, Naja pallida, Natural history, Ophiophagus, Ophiophagus hannah, Other colubroids, Palatine, Palatine bone, Palatine erection, Palatine erectors, Palatine process, Palatine rotation, Palatine tooth, Pallida, Phisalix, Polylepis, Prefrontal, Prey, Prey transport, Protr, Protr ptery, Protraction, Protractor, Protractor pterygoideus, Protractor quadratus, Ptery, Pterygoid, Pterygoideus, Quadrate, Quadratus, Retr ptery, Retractor, Retractor pterygoideus, Retractor vomeris, Right palatine, Schwenk, Snout, Snout rotation, Tendon, Venom, Venom gland, Ventral, Ventral portion, Ventral view, Video records, Viper, Vomer, Vomeris, Zool.
- Teeft :
- Adductor, Adductor externus, Adductor externus medius, Adductor mandibulae externus, Anterior, Aspidelaps, Bers, Bogert, Braincase, Choanal, Choanal passage, Choanal process, Cundall, Dendroaspis, Dendroaspis polylepis, Depressor mandibulae, Deufel, Dorsal, Dorsal portion, Dorsal surface, Dorsolateral, Ectopterygoid, Elapid, Elapid snakes, Erectors, Exion, Externus, Fang, Functional unit, Gans, Haas, Hypochoanal cartilage, Kardong, Lateral, Lateral view, Laterally, Levator, Levator pterygoideus, Long axis, Mandible, Mandibulae, Maxilla, Maxillary, Maxillary process, Maxillary rotation, Mcdowell, Medial, Micrurus, Micrurus frontalis, Mouth opening, Naja, Naja pallida, Natural history, Ophiophagus, Ophiophagus hannah, Other colubroids, Palatine, Palatine bone, Palatine erection, Palatine erectors, Palatine process, Palatine rotation, Palatine tooth, Pallida, Phisalix, Polylepis, Prefrontal, Prey, Prey transport, Protr, Protr ptery, Protraction, Protractor, Protractor pterygoideus, Protractor quadratus, Ptery, Pterygoid, Pterygoideus, Quadrate, Quadratus, Retr ptery, Retractor, Retractor pterygoideus, Retractor vomeris, Right palatine, Schwenk, Snout, Snout rotation, Tendon, Venom, Venom gland, Ventral, Ventral portion, Ventral view, Video records, Viper, Vomer, Vomeris, Zool.
Abstract
Cobras and mambas are members of a group of elapid snakes supposedly united by the morphology and inferred behavior of their palatine bone during prey transport (palatine erectors). The palatine erectors investigated (Dendroaspis polylepis, Naja pallida, Ophiophagus hannah, Aspidelaps scutatus, A. lubricus) show differences in the morphology of their feeding apparatus that do not affect the overall behavior of the system. We delineated the structures directly involved in producing palatine erection during prey transport. Palatine erection can be achieved by a colubroid muscle contraction pattern acting on a palato‐pterygoid bar with a movable palato‐pterygoid joint and a palatine that is stabilized against the snout. The palatine characters originally proposed to cause palatine erection are not required to produce the behavior and actually impede it in Naja pallida. Palatine‐erecting elapids share a fundamental design of the palato‐maxillary apparatus with all higher snakes. A set of plesiomorphic core characters is functionally integrated to function in prey transport using the pterygoid walk. Variant characters are either part of a structural periphery unrelated to the core structures that define function or patterns of variation are subordinate character sets operating within functional thresholds of a single system. J. Morphol. 258:358–375, 2003. © 2003 Wiley‐Liss, Inc.
Url:
DOI: 10.1002/jmor.10164
Affiliations:
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unit="issue">3</biblScope><biblScope unit="page" from="358">358</biblScope><biblScope unit="page" to="375">375</biblScope><biblScope unit="page-count">18</biblScope><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2003-12">2003-12</date></imprint><idno type="ISSN">0362-2525</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0362-2525</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adductor</term><term>Adductor externus</term><term>Adductor externus medius</term><term>Adductor mandibulae externus</term><term>Anterior</term><term>Aspidelaps</term><term>Bers</term><term>Bogert</term><term>Braincase</term><term>Choanal</term><term>Choanal passage</term><term>Choanal process</term><term>Cundall</term><term>Dendroaspis</term><term>Dendroaspis polylepis</term><term>Depressor mandibulae</term><term>Deufel</term><term>Dorsal</term><term>Dorsal portion</term><term>Dorsal surface</term><term>Dorsolateral</term><term>Ectopterygoid</term><term>Elapid</term><term>Elapid snakes</term><term>Erectors</term><term>Exion</term><term>Externus</term><term>Fang</term><term>Functional unit</term><term>Gans</term><term>Haas</term><term>Hypochoanal cartilage</term><term>Kardong</term><term>Lateral</term><term>Lateral view</term><term>Laterally</term><term>Levator</term><term>Levator pterygoideus</term><term>Long axis</term><term>Mandible</term><term>Mandibulae</term><term>Maxilla</term><term>Maxillary</term><term>Maxillary process</term><term>Maxillary rotation</term><term>Mcdowell</term><term>Medial</term><term>Micrurus</term><term>Micrurus frontalis</term><term>Mouth opening</term><term>Naja</term><term>Naja pallida</term><term>Natural history</term><term>Ophiophagus</term><term>Ophiophagus hannah</term><term>Other colubroids</term><term>Palatine</term><term>Palatine bone</term><term>Palatine erection</term><term>Palatine erectors</term><term>Palatine process</term><term>Palatine rotation</term><term>Palatine tooth</term><term>Pallida</term><term>Phisalix</term><term>Polylepis</term><term>Prefrontal</term><term>Prey</term><term>Prey transport</term><term>Protr</term><term>Protr ptery</term><term>Protraction</term><term>Protractor</term><term>Protractor pterygoideus</term><term>Protractor quadratus</term><term>Ptery</term><term>Pterygoid</term><term>Pterygoideus</term><term>Quadrate</term><term>Quadratus</term><term>Retr ptery</term><term>Retractor</term><term>Retractor pterygoideus</term><term>Retractor vomeris</term><term>Right palatine</term><term>Schwenk</term><term>Snout</term><term>Snout rotation</term><term>Tendon</term><term>Venom</term><term>Venom gland</term><term>Ventral</term><term>Ventral portion</term><term>Ventral view</term><term>Video records</term><term>Viper</term><term>Vomer</term><term>Vomeris</term><term>Zool</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Adductor</term><term>Adductor externus</term><term>Adductor externus medius</term><term>Adductor mandibulae externus</term><term>Anterior</term><term>Aspidelaps</term><term>Bers</term><term>Bogert</term><term>Braincase</term><term>Choanal</term><term>Choanal passage</term><term>Choanal process</term><term>Cundall</term><term>Dendroaspis</term><term>Dendroaspis polylepis</term><term>Depressor mandibulae</term><term>Deufel</term><term>Dorsal</term><term>Dorsal portion</term><term>Dorsal surface</term><term>Dorsolateral</term><term>Ectopterygoid</term><term>Elapid</term><term>Elapid snakes</term><term>Erectors</term><term>Exion</term><term>Externus</term><term>Fang</term><term>Functional unit</term><term>Gans</term><term>Haas</term><term>Hypochoanal cartilage</term><term>Kardong</term><term>Lateral</term><term>Lateral view</term><term>Laterally</term><term>Levator</term><term>Levator pterygoideus</term><term>Long axis</term><term>Mandible</term><term>Mandibulae</term><term>Maxilla</term><term>Maxillary</term><term>Maxillary process</term><term>Maxillary rotation</term><term>Mcdowell</term><term>Medial</term><term>Micrurus</term><term>Micrurus frontalis</term><term>Mouth opening</term><term>Naja</term><term>Naja pallida</term><term>Natural history</term><term>Ophiophagus</term><term>Ophiophagus hannah</term><term>Other colubroids</term><term>Palatine</term><term>Palatine bone</term><term>Palatine erection</term><term>Palatine erectors</term><term>Palatine process</term><term>Palatine rotation</term><term>Palatine tooth</term><term>Pallida</term><term>Phisalix</term><term>Polylepis</term><term>Prefrontal</term><term>Prey</term><term>Prey transport</term><term>Protr</term><term>Protr ptery</term><term>Protraction</term><term>Protractor</term><term>Protractor pterygoideus</term><term>Protractor quadratus</term><term>Ptery</term><term>Pterygoid</term><term>Pterygoideus</term><term>Quadrate</term><term>Quadratus</term><term>Retr ptery</term><term>Retractor</term><term>Retractor pterygoideus</term><term>Retractor vomeris</term><term>Right palatine</term><term>Schwenk</term><term>Snout</term><term>Snout rotation</term><term>Tendon</term><term>Venom</term><term>Venom gland</term><term>Ventral</term><term>Ventral portion</term><term>Ventral view</term><term>Video records</term><term>Viper</term><term>Vomer</term><term>Vomeris</term><term>Zool</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Cobras and mambas are members of a group of elapid snakes supposedly united by the morphology and inferred behavior of their palatine bone during prey transport (palatine erectors). The palatine erectors investigated (Dendroaspis polylepis, Naja pallida, Ophiophagus hannah, Aspidelaps scutatus, A. lubricus) show differences in the morphology of their feeding apparatus that do not affect the overall behavior of the system. We delineated the structures directly involved in producing palatine erection during prey transport. Palatine erection can be achieved by a colubroid muscle contraction pattern acting on a palato‐pterygoid bar with a movable palato‐pterygoid joint and a palatine that is stabilized against the snout. The palatine characters originally proposed to cause palatine erection are not required to produce the behavior and actually impede it in Naja pallida. Palatine‐erecting elapids share a fundamental design of the palato‐maxillary apparatus with all higher snakes. A set of plesiomorphic core characters is functionally integrated to function in prey transport using the pterygoid walk. Variant characters are either part of a structural periphery unrelated to the core structures that define function or patterns of variation are subordinate character sets operating within functional thresholds of a single system. J. Morphol. 258:358–375, 2003. © 2003 Wiley‐Liss, Inc.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Dakota du Nord</li><li>Pennsylvanie</li></region></list><tree><country name="États-Unis"><region name="Pennsylvanie"><name sortKey="Deufel, Alexandra" sort="Deufel, Alexandra" uniqKey="Deufel A" first="Alexandra" last="Deufel">Alexandra Deufel</name></region><name sortKey="Cundall, David" sort="Cundall, David" uniqKey="Cundall D" first="David" last="Cundall">David Cundall</name><name sortKey="Deufel, Alexandra" sort="Deufel, Alexandra" uniqKey="Deufel A" first="Alexandra" last="Deufel">Alexandra Deufel</name><name sortKey="Deufel, Alexandra" sort="Deufel, Alexandra" uniqKey="Deufel A" first="Alexandra" last="Deufel">Alexandra Deufel</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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