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Definitions from WordNet

Definitions from the Web

Blastopore

Description:

In embryology, a blastopore is an opening in the early stage of development of an embryo. It forms during gastrulation, a process where the embryo undergoes differentiation into three germ layers.

Senses:

1. Noun: The opening through which gastrulation takes place in an early-stage embryo.

2. Noun: A permanent opening in certain invertebrates through which food enters the digestive cavity.

Sample sentences:

1. During gastrulation, the blastopore forms, marking the beginning of the differentiation process.

2. The blastopore develops into the anus in deuterostomes, while in protostomes, it becomes the mouth.

3. Certain invertebrates have a blastopore used as an opening through which they consume food.

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