1. The fetus skeletal development and visceral abnormality were observed by skeletal staining and visceral section .
用骨骼染色法观察胎鼠有无骨骼畸形，内脏切片法观察胎鼠内脏畸形情况。
2. Including: Locomotor system, alimentary system, respiratory system, urinary system, reproductive system, circulatory system, sense organs, nervous system and endocrine system.
内容包括：运动系统、消化系统、呼吸系统、泌尿系统、生殖系统、脉管系统、感觉器、神经系统、内分泌系统。
3. These bones are attached to the rest of the skeletal system by means of the clavicles (the collarbones) and the large, triangular breastbones, the scapulae.
这些骨通过锁骨和大三角形胸骨，即肩胛骨与骨骼系统的其它部分相连接。
4. These bones are attached to the rest of the skeletal system by means of the clavicles (the collarbones) and the large, triangular breastbones, the scapulae.
这些骨通过锁骨和大三角形胸骨，即肩胛骨与骨骼系统的其它部分相连接。
5. These bones are attached to the rest of the skeletal system by means of the clavicles (the collarbones) and the large, triangular breastbones, the scapulae.
这些骨通过锁骨和大三角形胸骨，即肩胛骨与骨骼系统的其它部分相连接。
