Physiology · Reproductive System · Hard
Gastrulation
Meaning: An early embryonic stage in which the three germ layers are formed.
In practice: Gastrulation occurs in the third week of development and forms the germ layers.
Word parts
- gastr- means stomach
Many medical words are built from Greek and Latin parts like these, so learning a few helps you work out new terms.
Quick check
Two questions on related physiology words.
Which word means: An increase in the depth and rate of breathing to meet metabolic demand, such as during exercise.
Answer: Hyperpnoea
Which word means: A liquid substance that circulates through the body, including blood, lymph, and CSF.
Answer: Fluid
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