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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
embryonic cloaca +    
membranous layer +    
primitive streak +    
anterior visceral endoderm 
aponeurosis +  
capsule +  
cloacal membrane +  
The membrane that covers the embryonic cloaca, formed by the union of proctodeal (anal pit) ectoderm and cloacal endoderm, with no intervening mesoderm; the urorectal septum joins the cloacal membrane and divides it into an anal membrane and a urogenital membrane; the point where the urorectal septum intersects the cloacal membrane is the future site of the perineal body; proliferation of mesoderm and ectoderm around the cloacal membrane produces primordial tissues of the external genitalia in both sexes: the genital tubercle, genital folds, and genital swellings.
embryonic cloacal epithelium +  
embryonic cloacal lumen +  
endosteum 
extraembryonic membrane +  
inner cambium layer of periosteum 
interventricular septum membranous part 
omphalopleure +  
outer fibrous layer of periosteum 
periosteum +  
placental membrane +  
primitive groove 
primitive knot +  
primitive pit 
primitive urogenital sinus +  
pupillary membrane 
rectal diverticulum 
Reichert's membrane 
suspensory ligament of breast 
theca externa 
theca interna 
tunica albuginea +  
tunica vaginalis testis 

Synonyms
Exact Synonyms: embryonic cloacal membrane
Related Synonyms: membrana cloacalis
Xrefs: EHDAA2:0000257;  EHDAA:214;  EHDAA:2933;  EMAPA:16832;  FMA:295525;  NCI:C34128;  SCTID:308826008;  UMLS:C0231056;  VHOG:0001198;  Wikipedia:Cloacal_membrane
Definition Sources: MP:0011837, MP:anna, Wikipedia:Cloacal_membrane

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