受精卵

1. Origins, structure, and basic meaning

• Structure: The spelling is 受精卵, read じゅせいらん, and it combines 受精, meaning fertilization, with 卵, meaning egg.
• Basic usage: 受精卵 is an egg cell formed through fertilization and capable of beginning embryonic development.

2. Common pitfalls and similar expressions

• The fertilized cell and its subsequent development
  • Both examples use the form 受精卵. The focus is on the egg cell created at fertilization as the starting point of later changes, not on an already developed embryo as a whole.
• Microscopic observation and model-based study
  • 顕微鏡で受精卵の変化を観察した。 — We observed changes in the fertilized egg through a microscope.
  • 模型を使って受精卵が成長する過程を学んだ。 — We used a model to learn how a fertilized egg develops.