Outlines of the theory and practice of midwifery / by Alexander Hamilton, M.D. F.R.S. Edin. ; Professor of midwifery in the university, and member of the Royal College of Surgeons, Edinburgh.

  • Hamilton, Alexander, 1739-1802.
Date:
MDCCXC [1790]
Catalogue details

Licence: Public Domain Mark

Credit: Outlines of the theory and practice of midwifery / by Alexander Hamilton, M.D. F.R.S. Edin. ; Professor of midwifery in the university, and member of the Royal College of Surgeons, Edinburgh. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    which it rarely exceeds*; but the placenta feldotn in- creafes much in bulk from between the feventh and tighih month. Having defcribed the ovum in early .geftat ion, we ihall next take a view of the germ , trace the pro- gress of the embryo and foetus; then refume the fub- je£t of the ovum, to explain the firucture of the membranes, placenta, &c. in advanced geftation, and point out the moft remarkable changes which the uterus fufrers during impregnation. SECTION III. Evolution cftke Fcelus. I^Here can be little doubt that all the parts of an animal exift completely in the germ, though their extreme minutenefs and fluidity for fome time conceal them from our fight. In a flate of pro- grdfion, fome of them are much earlier confpicuous than others. The embryo, in its original (rate, is probably en- tirely fibrous and nervous ; and thefe primary parts (eerri to contain, in a fmall fcale, all the others which are afterwards to be progreffively evolved. Of the former the heart and liver, of the latter the brain and fpinal * Natura fibi femper conftans manet, confuetum maturorum foe- tuum pondus eflc inter 6 et 7 libras civiles midium ; rarius 9 libras execderc.—Henr. Aug. Wriibergii Obf. Anatomies, &c. Gocttin- g«,ji779-