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LIST OF CONTRIBUTORS.
JAMES M. ANDERS, M.D., LL.D., of Philadelphia.
EPHRAIM CUTTER, M.D., of New York.
CH. DAVID, M.D., of Paris, France.
E. B. GLEASON, M.D., LL.D., of Philadelphia.
W. C. HOLLOPETER, A.M., M.D., of Philadelphia.
J. P. MANN, M.D., M.S., of Phila lphia.
JOHN A. MCGLINN, A.B., M.D., of Philadelphia.
GEORGE W. PFROMM, Ph.G., M.D., of Philadelphia.
WILLIAM PICKETT, A.M., M.D., of Philadelphia.
JOHN V. SHOEMAKER, M.D., LL.D., of Philadelphia.
HERBERT J. SMITH, Ph.G., M.D., of Philadelphia.
WILLIAM F. WAUGH, M.D., of Philadelphia.
From birth to pubertas the uterus THE UTERINE CIRCULATION: ITS
changes but little in its endometrium,
myometrium, perimetrium, or vascularity. PHASES IN DIFFERENT AGES
The uterus is in a quiescent stage, nonAND FUNCTIONS OF LIFE (PUERITAS, PUBERTAS, MENSTRU- developed ; almost with the same dimen
sions at 1 year old as it is at 10 years old. ATION, GESTATION, PUERPE
I will present three infant uteri to illusRIUM, SENESCENCE, AND DISEASE).
trate this phase of circulation in female
genitals. By BYRON ROBINSON, B.S., M.D., Fig. 1 presents the circulation by an CHICAGO.
X-ray of an infant uterus (see page 2). THE tractus genitalis is subject to vast
Fig. 2 presents the circulation of an inchanges during the different ages and func
fant's uterus by the method of celloidin tions of life. The circulation of the uterus injection and HNO, erosion. I carefully is for a definite purpose, and at the maxi
sketched it as it floated in the erosion fluid. mum circulation the genital manifestations
Fig. 3 represents the circulation of an are evident in the condition of the tractus
infant's uterus by the corrosion method and genitalis and in the adnexa—the mammary
later photographed. Much time was spent
to secure accurate, natural views. glands.
There are two phenomena connected with oligæmic uterine zones, the central longithe uterus which excite the wonder of all
tudinal (A., B., C.), the bilateral cervical
and the fundal are not marked as in mulobservers. These two phenomena are the circulation of the uterus and the method tipara. The muscular (myometrium) and which the uterus exercises in controlling its
the glandular (endometrium) elements, as own vascularity. At certain periods or
well as the circulatory apparatus (uterophases of life (pubertas, menstruation, ges
ovarian artery), are not developed.
The functions of the tractus genitalis tation, and puerperium) the uterus becomes
(ovulation, secretion, absorption, pubertas, supplied with an extra quantity of blood for functional reasons-development and nour
menstruation, gestation, and puerperium) ishment.
are quiescent, in abeyance (see Figs. 1, 2, The method by which the uterus controls
PUBERTAS. its own blood-supply is through muscular and elastic reflex action: i.e., its muscular At puberty, or the first external funcand elastic bundles act like living ligatures, tional manifestation of the tractus genitalis, ready at a moment's notice to control the the utero-ovarian artery—the uterine blooduterine vessels.
supply—springs into activity. The tractus