Search on: ORGANIZERS, EMBRYONIC 
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Descriptor English:   Organizers, Embryonic 
Descriptor Spanish:   Organizadores Embrionarios 
Descriptor Portuguese:   Organizadores Embrionários 
Synonyms English:   Embryo Organizer
Embryo Organizers
Embryonic Organizer
Embryonic Organizers
Hensen Node
Hensen's Node
Hensens Node
Node, Hensen
Node, Hensen's
Organizer, Embryo
Organizer, Embryonic
Organizer, Spemann
Organizer, Spemann's
Organizers, Embryo
Spemann Organizer
Spemann's Organizer
Spemanns Organizer  
Tree Number:   A16.675
Definition English:   Cells in certain regions of an embryo that self-regulate embryonic development. These organizers have been found in dorsal and ventral poles of GASTRULA embryos, including Spemann organizer in amphibians, and Hensen node in chicken and mouse. These organizer cells communicate with each other via a network of secreted signaling proteins, such as BONE MORPHOGENETIC PROTEINS and their antagonists (chordin and noggin). 
See Related English:   Embryonic Induction
 
History Note English:   2000 
Allowable Qualifiers English:  
AB abnormalities AH anatomy & histology
BS blood supply CH chemistry
CY cytology DG diagnostic imaging
DE drug effects EM embryology
EN enzymology GD growth & development
IM immunology IN injuries
IR innervation ME metabolism
MI microbiology PS parasitology
PA pathology PH physiology
PP physiopathology RE radiation effects
SU surgery TR transplantation
UL ultrastructure VI virology
Record Number:   34077 
Unique Identifier:   D020897 

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