crest是什么意思

双语用例

• Migrating crest cells could be followed through the pharyngeal arches and the somites targeting to the arterial ostium level and the sinuatrial region.

• In the trunk region, several signaling pathways and transcription factors have been implicated in cell fate decisions of neural crest.

• It would be more realistic to consider an incident wave whose crests make some arbitrary angle with the row of absorbers.

• Downstream of the crest of each wave is a region of separated flow.

• Recent investigations showed that cells from the cardiac neural crest contribute to the formation of the arch arteries and the media of the arch.

• The high density plasma fluid extends into the trough and the low density plasma extends into the crests.

• Cuts were made along the crests of gyri and the depths of sulci.

• The upper surface of the rubber was strained in compression at the wave troughs, and in extension at the crests.