Source / 来源: 讲解手册/珍奇柜-鳍展签四审_0923.pdf
Page / 页码: 37
Material / 材料类型: exhibit_context
Text extraction / 提取方式: native

Source transcription; wording is retained as supplied. OCR may contain recognition errors; consult the PDF/image.
来源转录；保留原展签措辞。OCR可能包含识别误差，请核对PDF或图像。

蝾螈（胚胎）
从水中孕育出的四肢蓝图
蝾螈胚胎展示了两栖动物生命早期的
发育过程。蝾螈通常在水中产卵，胚胎经
过细胞分裂、组织分化和器官形成，逐渐
建立头部、躯干、尾部以及四肢等身体结
构。与鱼类相比，蝾螈幼体和成体均具有
成对附肢，是研究四足动物身体构型形
成的重要材料。蝾螈属于两栖动物，其发
育过程体现了脊椎动物从水生祖先向陆
地生活适应过程中形成的关键结构。
Salamandridae(Embryo)
A Tetrapod Blueprint Emerging from Water
Salamander embryos reveal the early developmental 
processes of amphibian life. Salamanders typically lay 
eggs in water, where embryos undergo cell division, 
tissue differentiation, and organ formation, gradually 
developing structures such as the head, trunk, tail, and 
limbs. Unlike fishes, salamander larvae and adults 
possess paired appendages, making them important 
models for understanding the formation of the tetrapod 
body plan. As amphibians, salamanders provide 
insights into the key structural innovations that 
emerged during the evolutionary transition from 
aquatic ancestors to life on land.