The pyrophysiology and sexuality of dragons
To examine the means whereby dragons produce fire and steam, we have studied a related species, the desert-lizard Lacerta pyrophorus. Morphological studies showed that there were in the snout three distinctive features: (1) a dorsal swelling in the pharynx, the Organ of Feuerwerk, consisting of brow...
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| Veröffentlicht in: | Respiratory physiology & neurobiology 2002-10, Vol.133 (1), p.3-10 |
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| creator | Georgy, S.T Widdicombe, J.G |
| description | To examine the means whereby dragons produce fire and steam, we have studied a related species, the desert-lizard
Lacerta pyrophorus. Morphological studies showed that there were in the snout three distinctive features: (1) a dorsal swelling in the pharynx, the Organ of Feuerwerk, consisting of brown adipose tissue with an extensive sympathetic innervation; (2) greatly enlarged lachrymonasal ducts, the Ducts of Kwentsch; and (3) asbestos deposits in the nasal skin, the Bestos Bodies. Physiological studies show that the Organ of Feuerwerk can, when the animal is excited, produce extremely high temperatures. We discuss how these mechanisms can produce steam and fire, and how the snout is protected. We also discuss and offer a solution to the problem of how, since dragons are invariably male, the species can be propagated. |
| doi_str_mv | 10.1016/S1569-9048(02)00129-5 |
| format | Article |
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Lacerta pyrophorus. Morphological studies showed that there were in the snout three distinctive features: (1) a dorsal swelling in the pharynx, the Organ of Feuerwerk, consisting of brown adipose tissue with an extensive sympathetic innervation; (2) greatly enlarged lachrymonasal ducts, the Ducts of Kwentsch; and (3) asbestos deposits in the nasal skin, the Bestos Bodies. Physiological studies show that the Organ of Feuerwerk can, when the animal is excited, produce extremely high temperatures. We discuss how these mechanisms can produce steam and fire, and how the snout is protected. We also discuss and offer a solution to the problem of how, since dragons are invariably male, the species can be propagated.</description><subject>Air breathing</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Dragon, desert lizard ( Lacerta pyrophorus)</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Lizards - anatomy & histology</subject><subject>Lizards - physiology</subject><subject>Mammals, virgin</subject><subject>Methods, pyrography</subject><subject>Pharynx - anatomy & histology</subject><subject>Pharynx - physiology</subject><subject>Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics</subject><subject>Sexual Behavior, Animal - physiology</subject><subject>Upper airways, fire, steam</subject><subject>Vertebrates: respiratory system</subject><issn>1569-9048</issn><issn>1878-1519</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMtOwzAQRS0EolD4BFA2IBAKeBw7jxVCFS-pEgvK2nKccWuUxsVOEfl70gfqktXM4szcq0PIGdBboJDevYNIi7igPL-i7JpSYEUs9sgR5Fkeg4Biv9__kAE5DuGzhzLIkkMyAJbkImPpEbmZzDBadN4tZl2wrnbTLlJNFQX8Waratl3kTFR5NXVNOCEHRtUBT7dzSD6eHiejl3j89vw6ehjHOimgjfPKVIhUlyIXYHLOOaaYlqbIE0FLozQXqRA84aw0gmXGcMRCszITpeIMRDIkl5u_C---lhhaObdBY12rBt0yyIxBAZCyHhQbUHsXgkcjF97Ole8kULmyJNeW5EqBpEyuLclVwPk2YFnOsdpdbbX0wMUWUEGr2njVaBt2HKdMZLAqcL_hsNfxbdHLoC02GivrUbeycvafKr-94IM2</recordid><startdate>20021023</startdate><enddate>20021023</enddate><creator>Georgy, S.T</creator><creator>Widdicombe, J.G</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20021023</creationdate><title>The pyrophysiology and sexuality of dragons</title><author>Georgy, S.T ; Widdicombe, J.G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-8dfdee0cb5851f8444e6e6bf98350bfac456554342bf527ff4ee9c2b75ba42153</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Air breathing</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Dragon, desert lizard ( Lacerta pyrophorus)</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Lizards - anatomy & histology</topic><topic>Lizards - physiology</topic><topic>Mammals, virgin</topic><topic>Methods, pyrography</topic><topic>Pharynx - anatomy & histology</topic><topic>Pharynx - physiology</topic><topic>Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics</topic><topic>Sexual Behavior, Animal - physiology</topic><topic>Upper airways, fire, steam</topic><topic>Vertebrates: respiratory system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Georgy, S.T</creatorcontrib><creatorcontrib>Widdicombe, J.G</creatorcontrib><creatorcontrib>with the assistance of V. 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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Air breathing Animals Biological and medical sciences Dragon, desert lizard ( Lacerta pyrophorus) Fundamental and applied biological sciences. Psychology Humans Lizards - anatomy & histology Lizards - physiology Mammals, virgin Methods, pyrography Pharynx - anatomy & histology Pharynx - physiology Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics Sexual Behavior, Animal - physiology Upper airways, fire, steam Vertebrates: respiratory system |
| title | The pyrophysiology and sexuality of dragons |
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