primitive streak
primitive streak · primitive streaks
A formation that occurs during the initial phases of embryonic development in birds,…A formation that occurs during the initial phases of embryonic development in birds, reptiles and mammals.
Meaning
1 sensesA formation that occurs during the initial phases of embryonic development in birds, reptiles and mammals.
Forms
plural: primitive streaks| Singular | primitive streak |
|---|---|
| Plural | primitive streaks |
regular