File:Manual of human histology (1853) (14783586765).jpg

Identifier: manualofhumanhis02kl (find matches)
Title: Manual of human histology
Year: 1853 (1850s)
Authors: Kölliker, Albert, 1817-1905 Busk, George, 1807-1886, ed. and tr Huxley, Thomas Henry, 1825-1895, ed. and tr
Subjects: Histology Histology
Publisher: London : printed for the Sydenham society
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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d into the well-known decidua vera, whilst another por-tion, at the point of attachment of theovum, is converted into the placenta uterina,and by a growth from the border of thispart, the reflexa is produced around theovum; processes of which this is not theplace to speak farther. It can only beremarked that the utricular glands, in thedecidua vera, are gradually converted intowider follicles, the orifices of which give riseto the appearance, as it were, of a cribri-form perforation in that membrane and theborder of the reflexa; and moreover, that thedeciduce, from the second month onwards,though gradually diminishing, it is true, inthickness, nevertheless, on account of theenlargement of the internal surface of theuterus, are stiU far from ceasing to increase in bulk; andlastly, that their tissue at all times consists of larger andsmaller, round cells, with large, often compound nuclei, in part Fig. 269. A uterine gland from a Woman in the first pregnancy, eight days afterconception.
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THE SEXUAL ORGANS. 261 of colossal fibre-cells with well formed large nuclei, and, par-ticularly in the decidua vera, of vessels; whilst an epithelium,except in the first month, is no longer to be found upon thedecidum. The mucous membrane of the cervix takes no part inthe foimation of the deciduce, and retains its epithelium (with-out cilia) during the whole time of pregnancy. It also, how-ever, swells, and its mucous follicles, especially, enlarge andsecrete the well known mucous plug which fills up the entirecanal of the cervix. The serous coat also increases considerably in thickness,though not to the same extent as the mucous membrane;whilst the thickening of the uterine ligaments, particularlyof the round ligaments, is very evident, and also dependsupon changes in their smooth muscles similar to those de-scribed in the muscles of the uter^is, and probably also, upon anincrease of the transversely striated bundles. The growth ofthe blood-vessels and lymphatics, in length and cali

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