21st week post-fertilization human stage
http://purl.obolibrary.org/obo/HsapDv_0000058
Fetal stage when the fetus is over 20 and under 21 weeks of development. [ Bgee:curator ]
Term info
database cross reference
- EV:0300029
Subsets
granular_stage
comment
The lungs gain some ability to breathe air. This stage is considered the age of viability because survival outside the womb becomes possible for some fetuses (see http://ehd.org/resources_bpd_documentation_english.php).
has obo namespace
human_developmental_stage
id
HsapDv:0000058