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Summary Anatomy Item Literature (59) Expression Attributions Wiki

Anatomy Term: hatching gland
XAO ID: 0000034
Synonyms: frontal gland
Definition: "A Y-shaped array of unicelluar glands on the top of the head, the open end of which faces anteriorly, that secrete an enzyme that dissolves or weakens the egg jelly and facilitates hatching. Presumptive cells of the hatching gland are present by the end of gastrualtion (NF stage 12.5) and differentiated cells start to form after neurulation is complete (NF stage 21)."
Stage Range: NF stage 15 to NF stage 35 and 36
Develops From:
Anatomy Item Stage Range
hatching gland primordium NF stage 12.5 to NF stage 14
Develops Into:
Parent(s): hatching gland primordium


Parent(s): embryonic structure (is_a) ectoderm (part_of)


References: Ontology Lookup Service , XB ANATOMY ONTOLOGY