Words similar to primordium

Example sentences for: primordium

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Traditionally, two types of developmental intermediates that precede the terminally differentiated organ have been defined: anlage and primordium (for examples, see Figure 6a).
Primordia develop from anlagen but an anlage - for example, a group of cells defined by gene expression that will give rise to a subset of an organ - can also be part of a primordium.
Four basic categories of developmental structures, called anlage in statu nascendi, anlage, primordium and organ, are distinguished.
The origin of this expression pattern can be traced from the mesectoderm anlage in statu nascendi, to the mesectoderm anlage, to the mesectoderm (or midline primordium) and, finally, to the mature midline glial cells (Figure 6b).
We have included the germ layers in the primordium category.