A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . :.AU. Fig. 4SJU.—Sections of Umbilical Cord. .1, Embryo ot 21 mm.: li. futiis of sixty-four to days;1, l». yollv stalls; Coe^ coelom. Otherwise the lettering is that of Fif^. 4s:^. (Minol.) ally due to the spirally arranged vessels ?svithin. Theymay be seen tlirough the semitransparent substancewhich forms the bulk of the cord, and is called Whar-tons jelly. Local thickenings in this tissue produce theso-called false knots. Other irregularities, purplish
A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . :.AU. Fig. 4SJU.—Sections of Umbilical Cord. .1, Embryo ot 21 mm.: li. futiis of sixty-four to days;1, l». yollv stalls; Coe^ coelom. Otherwise the lettering is that of Fif^. 4s:^. (Minol.) ally due to the spirally arranged vessels ?svithin. Theymay be seen tlirough the semitransparent substancewhich forms the bulk of the cord, and is called Whar-tons jelly. Local thickenings in this tissue produce theso-called false knots. Other irregularities, purplish incolor, are due to intravascular blood clots. Au actualtwisting may occur, due to the activity of the the cord may be wound three times arotuid theneck of till child witli fatal results, or around the litubsresulting in iutra-uterine amputations. Less serious en-tanglements are frequent. The cord may be tied in trueknots, which rarely if ever interfere with circulation,since they are seldom drawn tight until birth. Attachments of the. Cord.—Tlie navel, or umbilicus, isthe scar wdnch marks tlie place of separa
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Keywords: ., bookauthorbuckalberthalberthenr, bookcentury1900, bookdecade1900
