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What is the role of the epiphysis?

Research Project

Project/Area Number 25871180
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Morphology/Structure
Biodiversity/Systematics
Research InstitutionUtsunomiya University (2016)
Yamaguchi University (2014-2015)
National Museum of Nature and Science, Tokyo (2013)

Principal Investigator

Kurihara Nozomi  宇都宮大学, 農学部, 講師 (40456611)

Research Collaborator Yamada Tadasu K.  
Kawada Shin-ichiro  
Project Period (FY) 2013-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords形態 / 骨端 / 骨幹 / 椎骨 / 成長 / 進化 / 哺乳類 / 骨格 / 骨成長 / 骨端板 / 脊柱
Outline of Final Research Achievements

In mammals, it is known that bones except skull and clavicle have an epiphysis on the edge. However, the significance on the epiphysis is unknown. In present study, we verified some hypotheses and discussed the significance on the epiphysis.
We found that the vertebrae of cetaceans continued growing up after the epiphyses fused to the diaphyses (after the epiphyseal cartilage as a growth factor disappeared). This fact rejected the hypothesis ‘epiphysis controls bone growth’. In addition, the epiphyses are denser and harder than the diaphysis through all growth stage, indicating that the epiphyses always form the articulations, which is capable of resisting against loads, and enable strenuous movement. In most mammals, newborns have to stand up and walk as soon as possible to protect themselves from predators. Therefore, the epiphyses have developed with the progress of evolution in life history.

Report

(5 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (19 results)

All 2017 2016 2015 2014 2013

All Journal Article (8 results) (of which Peer Reviewed: 7 results,  Acknowledgement Compliant: 2 results) Presentation (11 results) (of which Invited: 1 results)

  • [Journal Article] Description of the karyotypes of Stejneger’s beaked whale (Mesoplodon stejnegeri) and Hubbs' beaked whale (M. carlhubbsi).2017

    • Author(s)
      Kurihara, N., Tajima, T., Yamada, T. K., Matsuda A., Matsuishi, T.
    • Journal Title

      Genetics and molecular Biology

      Volume: 印刷中

    • NAID

      120006529642

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Decrease in tooth count in melon-headed whales.2016

    • Author(s)
      Kurihara, N., Amano, M., Yamada, T. K.
    • Journal Title

      Journal of Zoology

      Volume: 300 Issue: 1 Pages: 8-17

    • DOI

      10.1111/jzo.12363

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 捕獲調査により確認された小型哺乳類2016

    • Author(s)
      田中浩、松尾大輝、栗原望
    • Journal Title

      山口県立山口博物館

      Volume: 76 Pages: 45-50

    • NAID

      40022793934

    • Related Report
      2015 Research-status Report
  • [Journal Article] A case of vertebral Malformation in a slow loris2014

    • Author(s)
      Nozomi Kurihara and Shin-ichiro Kawada
    • Journal Title

      Bulletin of the National Science Museum. Series A Zoology

      Volume: 40 Pages: 111-116

    • NAID

      40020204080

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] The first record of Anourosorex (Insectivora, Soricidae) from western Myanmar, with special reference to identification and karyological characters2014

    • Author(s)
      Shin-ichiro Kawada, Nozomi Kurihara, Noriko Tominaga, and Hideki Endo
    • Journal Title

      Bulletin of the National Science Museum. Series A Zoology

      Volume: 40 Pages: 105-109

    • NAID

      40020204075

    • Related Report
      2014 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Inconsistencies between morphological and genetic subspecies in Grant’s gazelle (Nanger granti).2013

    • Author(s)
      Kurihara, N. and kawada, S.
    • Journal Title

      Asian Journal of Animal and Veterinary Advances

      Volume: 8 Issue: 4 Pages: 683-690

    • DOI

      10.3923/ajava.2013.683.690

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Utility of hair shafts from study skins for mitochondrial DNA analysis.2013

    • Author(s)
      Kurihara, N.
    • Journal Title

      Genetics and Molecular Research

      Volume: 12 Issue: 4 Pages: 5396-5404

    • DOI

      10.4238/2013.november.11.1

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Records of stranded or by-caught finless porpoises in Mikawa Bay, Japan2013

    • Author(s)
      栗原望・大池辰也・川田伸一郎・子安和弘・織田銑一
    • Journal Title

      Honyurui Kagaku (Mammalian Science)

      Volume: 53 Issue: 1 Pages: 99-106

    • DOI

      10.11238/mammalianscience.53.99

    • NAID

      10031185589

    • ISSN
      0385-437X, 1881-526X
    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] スローロリスにみられた脊椎の形成異常2016

    • Author(s)
      栗原望
    • Organizer
      日本哺乳類学会
    • Place of Presentation
      つくば
    • Year and Date
      2016-09-23
    • Related Report
      2016 Annual Research Report
  • [Presentation] 山口県に漂着したスナメリの核型について.2016

    • Author(s)
      栗原望・立川利幸・原田孝一
    • Organizer
      日本セトロジー研究会
    • Place of Presentation
      新潟
    • Year and Date
      2016-06-25
    • Related Report
      2016 Annual Research Report
  • [Presentation] 脂肪を多く含む動物組織の薄片作製と観察2015

    • Author(s)
      田尻理恵、栗原望
    • Organizer
      日本地質学会122年学術大会(2015長野大会)
    • Place of Presentation
      信州大学(長野県・長野市)
    • Year and Date
      2015-09-11
    • Related Report
      2015 Research-status Report
  • [Presentation] Decrease of the tooth count in melon-headed whales2015

    • Author(s)
      Nozomi Kurihara
    • Organizer
      Symposium for Cetacean Conservation and Osteological measurement workshop
    • Place of Presentation
      国立成功大学(台南・台湾)
    • Year and Date
      2015-08-13
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] カズハゴンドウ(Peponocephala electra)の核型について2015

    • Author(s)
      栗原望、薮崎茜、田島木綿子、山田格
    • Organizer
      日本セトロジー研究会第26回(秋田)大会
    • Place of Presentation
      あきた白神体験センター(秋田県・山本郡)
    • Year and Date
      2015-07-18
    • Related Report
      2015 Research-status Report
  • [Presentation] オウギハクジラ属鯨類の核型について2014

    • Author(s)
      栗原望、川田伸一郎、山田格
    • Organizer
      日本哺乳類学会2014年度大会
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2014-09-04 – 2014-09-07
    • Related Report
      2014 Research-status Report
  • [Presentation] 自由集会企画:体骨格の適応進化を考える ―分類学・機能形態学・古生物学の観点から―2014

    • Author(s)
      郡司芽久、栗原望
    • Organizer
      日本哺乳類学会2014年度大会
    • Place of Presentation
      京都大学(京都市)
    • Year and Date
      2014-09-04 – 2014-09-07
    • Related Report
      2014 Research-status Report
  • [Presentation] 漂着個体を用いたオウギハクジラの核学的研究2014

    • Author(s)
      栗原望、川田伸一郎、一澤圭、田島木綿子、山田格
    • Organizer
      日本セトロジー研究会
    • Place of Presentation
      愛媛大学(松山市)
    • Year and Date
      2014-05-24 – 2014-05-25
    • Related Report
      2014 Research-status Report
  • [Presentation] カズハゴンドウに見られる歯の脱落2013

    • Author(s)
      栗原望
    • Organizer
      日本哺乳類学会
    • Place of Presentation
      岡山
    • Related Report
      2013 Research-status Report
  • [Presentation] カズハゴンドウにみられた歯の脱落傾向.2013

    • Author(s)
      14. 栗原望・天野雅男・山田格
    • Organizer
      日本セトロジー研究会2013年度大会
    • Place of Presentation
      富山
    • Related Report
      2013 Research-status Report
  • [Presentation] スナメリとハセイルカの遊泳運動の理解を目的とした解剖2013

    • Author(s)
      吉住健吾・石橋敏章・立川利幸・山田格・栗原望・和田直己.
    • Organizer
      日本哺乳類学会
    • Place of Presentation
      岡山
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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