art toward the bladder,which corresponds with the urethra in the female, is described as ento-dermal. As already noted there is no line of demarcation between thegerm layers at this point, and a portion of the female urethra is by someconsidered ectodermal. The bladder is to be described with the… … Fig. 220.—Stages in the Development of the Digestive Tube. A, Kabbit of q days. B, Man 2.15 mm. (after His). C, Pig, 12 mm. D, IMaii, 17.8 mm. (after Thyng). E, Man, aljout 5 months,a., Anus; al., allantols ; bl.. bladder; cae., caecum ; cl., cloaca ; du., duodenum ; I. i., large intestine; oe.,…
Histology · Microscopy
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