長崎県対馬におけるチョウセンイタチ（<I>Mustela sibirica coreana </I>）の精巣および陰茎骨の経時的変化

• 岡野 司

  独立行政法人国立環境研究所生物・生態系環境研究センター

• 大沼 学

  独立行政法人国立環境研究所生物・生態系環境研究センター

書誌事項

タイトル別名

• Temporal Changes in the Testes and Baculum of the Siberian Weasel ( <I>Mustela sibirica coreana </I>) in Tsushima Islands, Japan

抄録

Nineteen wild male Siberian weasels (Mustela sibirica coreana), collected from August 1997 to April 2011 in Tsushima Islands, were used for this study. The testes and baculum were measured, and testicular samples were autopsied and observed histologically. In the subadult, testes size and seminiferous tubule diameter tended to increase rapidly from November, peaking around February. In the adult, testes size and seminiferous tubule diameter tended to be large from February to June, and small from September to around January. Because young animals contain spermatozoa in the epididymis after April, they appear to attain sexual maturity around April of the year after birth. The baculum of the adult of this species has developed a hook-shaped distal tip and spatulate base.

収録刊行物

• 日本野生動物医学会誌

  日本野生動物医学会誌 17 (4), 145-151, 2012

  日本野生動物医学会

キーワード

• 陰茎骨
• 精子形成
• 精巣
• チョウセンイタチ
• 対馬

詳細情報

• CRID: 1390001204488462464
• NII論文ID: 10031131494
• NII書誌ID: AA11366156
• DOI: 10.5686/jjzwm.17.145
• ISSN: 2185744X
• ISSN: 13426133
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可