Sthohr's histology : arranged upon an embroyological basis (1906)
Sthohr, Philipp, 1849-1911, Lewis, Frederic Thomas, 1875 · Philadelphia : P. Blakiston's Son & Co. · leaf 32
nx opens to the exterior at the mouth. Posteriorly the entoderm GERM I^YKRS. 21 envelops the yolk mass which may he regarded as occupying a distendedintestine. The entoderm forms the hning of the pharj-nx and intestine,together with their appendages which inckide the lungs, liver, pancreas,and… … A B Fig. 20.—Diagrams Based upon Reconstructions of a Chick op 30 Hours. A, Dorsal view. B, Median sagittal section but with the entire heart, ant. n.. Anterior neuropore;ac, aorta; ect., ectoderm; ent, entoderm: Ht., heart; med. gT.» med. tube, medullary groove andtube; mes. seg., mesodermic…
Histology · Microscopy
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