Evidence of Medullary Bone in Two Species of Thrashes
We used micro-computed tomography to examine if medullary bone was present in Wood Thrush (Hylocichla mustelina) and Veery (Catharus fuscescens), two species of Passeriformes. We scanned bones from males and females collected during spring and fall migration, and the breeding season. Medullary bone...
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Veröffentlicht in: | The Wilson journal of ornithology 2011-12, Vol.123 (4), p.831-835 |
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description | We used micro-computed tomography to examine if medullary bone was present in Wood Thrush (Hylocichla mustelina) and Veery (Catharus fuscescens), two species of Passeriformes. We scanned bones from males and females collected during spring and fall migration, and the breeding season. Medullary bone was found in the humérus, radius-ulna, and tibiotarsus-fibula of a breeding female Wood Thrush and a breeding female Veery, both of which were ovulatory at necropsy. Two other breeding female Wood Thrush, both post-ovulatory at necropsy, did not have medullary bone. We did not observe medullary bone in females collected during spring or fall migration, nor in any males. Our findings support the presence of medullary bone in breeding female passerines, but future studies with larger, targeted sample sizes are needed to examine the phenology of medullary bone formation and résorption, and to explore the extent of medullary bone's role in eggshell formation in passerines. |
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We scanned bones from males and females collected during spring and fall migration, and the breeding season. Medullary bone was found in the humérus, radius-ulna, and tibiotarsus-fibula of a breeding female Wood Thrush and a breeding female Veery, both of which were ovulatory at necropsy. Two other breeding female Wood Thrush, both post-ovulatory at necropsy, did not have medullary bone. We did not observe medullary bone in females collected during spring or fall migration, nor in any males. Our findings support the presence of medullary bone in breeding female passerines, but future studies with larger, targeted sample sizes are needed to examine the phenology of medullary bone formation and résorption, and to explore the extent of medullary bone's role in eggshell formation in passerines.</description><identifier>ISSN: 1559-4491</identifier><identifier>EISSN: 1938-5447</identifier><language>eng</language><publisher>Wilson Ornithological Society</publisher><subject>Aviculture ; Birds ; Bones ; Breeding ; Breeding seasons ; Calcium ; Eggshells ; Female animals ; Male animals ; Ova ; Short Communications</subject><ispartof>The Wilson journal of ornithology, 2011-12, Vol.123 (4), p.831-835</ispartof><rights>Copyright 2011 Wilson Ornithological Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/41480556$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/41480556$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,58017,58250</link.rule.ids></links><search><creatorcontrib>Squire, Maria E.</creatorcontrib><creatorcontrib>Brague, Joe C.</creatorcontrib><creatorcontrib>Smith, Robert J.</creatorcontrib><creatorcontrib>Owen, Jennifer C.</creatorcontrib><title>Evidence of Medullary Bone in Two Species of Thrashes</title><title>The Wilson journal of ornithology</title><description>We used micro-computed tomography to examine if medullary bone was present in Wood Thrush (Hylocichla mustelina) and Veery (Catharus fuscescens), two species of Passeriformes. We scanned bones from males and females collected during spring and fall migration, and the breeding season. Medullary bone was found in the humérus, radius-ulna, and tibiotarsus-fibula of a breeding female Wood Thrush and a breeding female Veery, both of which were ovulatory at necropsy. Two other breeding female Wood Thrush, both post-ovulatory at necropsy, did not have medullary bone. We did not observe medullary bone in females collected during spring or fall migration, nor in any males. Our findings support the presence of medullary bone in breeding female passerines, but future studies with larger, targeted sample sizes are needed to examine the phenology of medullary bone formation and résorption, and to explore the extent of medullary bone's role in eggshell formation in passerines.</description><subject>Aviculture</subject><subject>Birds</subject><subject>Bones</subject><subject>Breeding</subject><subject>Breeding seasons</subject><subject>Calcium</subject><subject>Eggshells</subject><subject>Female animals</subject><subject>Male animals</subject><subject>Ova</subject><subject>Short Communications</subject><issn>1559-4491</issn><issn>1938-5447</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNpjYuA0tDS20DU1MTFnAbJNTS11TUwsDTkYuIqLswwMgMLGppwMpq5lmSmpecmpCvlpCr6pKaU5OYlFlQpO-XmpCpl5CiHl-QrBBanJmanFIAUhGUWJxRmpxTwMrGmJOcWpvFCam0HWzTXE2UM3q7gkvyi-oCgzF2hKvImhiYWBqamZMSF5AJYVMS8</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Squire, Maria E.</creator><creator>Brague, Joe C.</creator><creator>Smith, Robert J.</creator><creator>Owen, Jennifer C.</creator><general>Wilson Ornithological Society</general><scope/></search><sort><creationdate>20111201</creationdate><title>Evidence of Medullary Bone in Two Species of Thrashes</title><author>Squire, Maria E. ; Brague, Joe C. ; Smith, Robert J. ; Owen, Jennifer C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-jstor_primary_414805563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Aviculture</topic><topic>Birds</topic><topic>Bones</topic><topic>Breeding</topic><topic>Breeding seasons</topic><topic>Calcium</topic><topic>Eggshells</topic><topic>Female animals</topic><topic>Male animals</topic><topic>Ova</topic><topic>Short Communications</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Squire, Maria E.</creatorcontrib><creatorcontrib>Brague, Joe C.</creatorcontrib><creatorcontrib>Smith, Robert J.</creatorcontrib><creatorcontrib>Owen, Jennifer C.</creatorcontrib><jtitle>The Wilson journal of ornithology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Squire, Maria E.</au><au>Brague, Joe C.</au><au>Smith, Robert J.</au><au>Owen, Jennifer C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evidence of Medullary Bone in Two Species of Thrashes</atitle><jtitle>The Wilson journal of ornithology</jtitle><date>2011-12-01</date><risdate>2011</risdate><volume>123</volume><issue>4</issue><spage>831</spage><epage>835</epage><pages>831-835</pages><issn>1559-4491</issn><eissn>1938-5447</eissn><abstract>We used micro-computed tomography to examine if medullary bone was present in Wood Thrush (Hylocichla mustelina) and Veery (Catharus fuscescens), two species of Passeriformes. We scanned bones from males and females collected during spring and fall migration, and the breeding season. Medullary bone was found in the humérus, radius-ulna, and tibiotarsus-fibula of a breeding female Wood Thrush and a breeding female Veery, both of which were ovulatory at necropsy. Two other breeding female Wood Thrush, both post-ovulatory at necropsy, did not have medullary bone. We did not observe medullary bone in females collected during spring or fall migration, nor in any males. Our findings support the presence of medullary bone in breeding female passerines, but future studies with larger, targeted sample sizes are needed to examine the phenology of medullary bone formation and résorption, and to explore the extent of medullary bone's role in eggshell formation in passerines.</abstract><pub>Wilson Ornithological Society</pub></addata></record> |
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subjects | Aviculture Birds Bones Breeding Breeding seasons Calcium Eggshells Female animals Male animals Ova Short Communications |
title | Evidence of Medullary Bone in Two Species of Thrashes |
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