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  1. NLM Digital Collections - Morris' Human anatomy : a complete systematic treatise 
    Publication: Philadelphia : P. Blakiston's Son & Co., [1923]
    resource.nlm.nih.gov/101621903
    ... roof of the yolk-sac; and (4) the cloacal membrane. These elements form the epithelial linings of the ... its floor is formed in part by the cloacal membrane. The cloaca is later divided, in the frontal ...
  2. NLM Digital Collections - Developmental anatomy : a text-book and laboratory manual of embryology 
    Publication: Philadelphia : W.B. Saunders Company, 1924
    resource.nlm.nih.gov/06710070R
    ... primitive entodermal tube extends a little beyond the cloacal membrane (Figs. 71, 91 and 139); this tail-gut, ... Hepatic- diverticulum Yolk stalk Hind-gut Yolk stalk- Cloacal membrane Allantois - Allantois Cloacal _ membrane Cloaca Cloaca- Hi nd- ...
  3. NLM Digital Collections - Cunningham's Text-book of anatomy 
    Publication: New York : W. Wood and Company, 1917
    resource.nlm.nih.gov/06210560R
    ... now forms the a result of this move- cloacal membrane. ment the bucco-pharyn- geal and the pericardial ... mesoderm Chorionic k mesoderm Region of posterior . neuropore Cloacal ' membrane • Body stalk . Allantoic diverticulum Region of anteriof " neuropore ...
  4. NLM Digital Collections - A laboratory manual and text-book of embryology 
    Publication: Philadelphia ; London : W. B. Saunders Company, 1917
    resource.nlm.nih.gov/06720250R
    ... edge of amnion Yolk stalk Primitive segments Allantois Cloacal membrane Cloaca Neural folds Neur ent eric canal Fig. ... fused to the adjacent ectoderm to form the cloacal membrane. In this region later the anus arises (Fig. ...
  5. NLM Digital Collections - Anatomy of the human body 
    Publication: Philadelphia : Lea & Febiger, 1918
    resource.nlm.nih.gov/101532328
    ... caudal end of the primitive streak forms the cloacal membrane. The extension of the mesoderm takes place throughout ... and entoderm come into apposition and form the cloacal membrane. The blastoderm now consists of three layers, named ...
  6. NLM Digital Collections - Anatomy, descriptive and applied 
    Publication: Philadelphia : Lea & Febiger, c1913
    resource.nlm.nih.gov/101532330
    ... caudal end of the primitive streak forms the cloacal membrane. The extension of the mesoderm takes place throughout ... and entoderm come into apposition and form the cloacal membrane. Fig. 73.-Series of transverse sections through the ...
  7. NLM Digital Collections - Vertebrate embryology 
    Publication: New York : Henry Holt and Company, [1923]
    resource.nlm.nih.gov/06031200R
    ... Allantois, am. Amnion (tail-fold), c. Cloaca, m. Cloacal membrane, n. Notochord. r. Rectum, s. Spinal cord. y. Wall ... or, as it is now sometimes called, the cloacal membrane (Fig. 171). It consists, as will be recalled, ...
  8. NLM Digital Collections - Gynecology 
    Publication: Philadelphia : W.B. Saunders Company, 1923
    resource.nlm.nih.gov/47030500R
    ... defect. In the early stages of development the cloacal membrane reaches to the primitive belly-stalk or forerunner ... DEFECTS OF DEVELOPMENT 481 Under abnormal conditions the cloacal membrane may partially or entirely persist, due to the ...
  9. NLM Digital Collections - A laboratory outline of embryology : with special reference to the chick and the pig 
    Publication: Chicago, Illinois : The Univiversity of Chicago Press [1923]
    resource.nlm.nih.gov/06030920R
    ... out into the ventral mesentery. Iden- tify the cloacal membrane, where entodem of hind- gut is fused with ... the relations of the yolk stalk, allantois, and cloacal membrane. What is Meckel’s diverticulum? What is the urachus? ...
  10. NLM Digital Collections - Diseases of the rectum, anus, and colon: including the ileocolic angle, appendix, colon, ... 
    Publication: Philadelphia ; London : W. B. Saunders Company, [1923]
    resource.nlm.nih.gov/39730450RX1
    ... entodermal cloaca; 4, rectum; 5, anus; C.M., cloacal membrane; U.G., urogenital sinus; A, mesoblast at junction ...
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