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Some found globules everywhere, some fibres. Students disputed whether the conjunctiva extended over the cornea or not, and worried themselves over Gaultier de Claubry's stratified layers of the skin, or Breschet's blennogenous and chromatogenous organs. The dartos was a puzzle, the central spinal canal a myth, the decidua clothed in fable as much as the golden fleece.
Some found globules everywhere, some fibres. Students disputed whether the conjunctiva extended over the cornea or not, and worried themselves over Gaultier de Claubry's stratified layers of the skin, or Breschet's blennogenous and chromatogenous organs. The dartos was a puzzle, the central spinal canal a myth, the decidua clothed in fable as much as the golden fleece.
The first or constructive stage is one of preparation for the reception of the ovum. During this stage the preparing of a decidua takes place, or building a nest for the expected egg; there is a swelling of the mucous membrane, an enlargement of the uterine glands, and an increase in the connective tissue.
Thurston tells of a case in which Nature had apparently effected the separation of the placenta without alarming hemorrhage, the ease being one of placenta praevia, terminating favorably by natural processes. Playfair speaks of the detachment of the uterine decidua without the interruption of pregnancy.
The actively growing cells of the uterine lining membrane undergo rapid destructive changes, the fabric of the half-formed decidua tumbles to pieces, the turgid capillaries burst and pour out the menstrual flow, which sweeps away all the useless debris.
In consequence of this coalescence, a whole piece of the lining of the womb comes away at birth with the foetal membrane that is interlaced with it. All the higher Placentals that have this decidua are classed together as the "Deciduates." The tearing away of the decidua at birth naturally causes the mother to lose a quantity of blood, which does not happen in the Indecidua.
It has been thought that the decidua of a particular menstrual period is related, not to the ovum discharged at that period, but to the ovum discharged at the preceding period.
Only black-jacks and the lighter decidua which cover such sandy ridges had grown there before, but after these were cleared away by the hand of man and the plow for a few years had tickled the thin soil, when nature again resumed her sway, she sent a countless army of evergreens, of mysterious origin, to take and hold this desecrated portion of her domain.
If death occurred immediately after delivery, the uterus will be wide open, about 9 or 10 inches long, with clots of blood inside, and the inner surface lined by decidua. The difference between the virgin corpus luteum and that of recent pregnancy is not so marked as to justify a confident use of it for medico-legal purposes.
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