...He found himself in a small chamber, from which ducts led to all partsof the warren... 
Various 「Astounding Stories, August, 1931」
...The lizards and snakes in thesestories, by the way, are not confined to the usual ducts and cavities ofthe human body, but seem to have freedom of movement throughout thewhole structure...
Charles W. Chesnutt 「The Conjure Woman」
...The various diseases of the ovaries, their tubes, the womb, the testiclesand their excretory ducts, as referred to under "Excess of venereal desire,"are causes of barrenness...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Under unhealthy conditions of the gland or milk ducts clots of casein formwhich, pressed clear of most of their liquid and rolled into rounded masses,may block the passage...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Injuries received during parturition,stoppage of the milk ducts, and infection of the umbilicus in the newly bornare also frequent causes of pyemia...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Accessory glands: any glands opening into the ducts ofthe reproductive system...
John. B. Smith 「Explanation of Terms Used in Entomology」
...The glands occupy most of the thickened areaand have narrow ducts leading to the exterior...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...The branchial or head-gut of the Ascidia is small at first, and opens directlyoutwards only by a couple of lateral ducts or gill-clefts—a permanentarrangement in the Copelata...
Ernst Haeckel 「The Evolution of Man」
...In the Selachii also we find a longitudinal row of segmental canals on eachside, which open outwards into the primitive renal ducts (nephrotomes,p...
Ernst Haeckel 「The Evolution of Man」
...However uncertain the origin of the nephroduct and its two products, theMüllerian and the Wolffian ducts, may be, its later development is clearenough...
Ernst Haeckel 「The Evolution of Man」
...In the male sex, in which the twoWolffian ducts become the spermaducts, we often find traces of the Müllerianducts, which I have called “Rathke’s canals” (Fig...
Ernst Haeckel 「The Evolution of Man」
...In the female sex, in which the two Müllerian ducts form theoviducts, there are relics of the Wolffian ducts, which are called “theducts of Gaertner...
Ernst Haeckel 「The Evolution of Man」
...The first structure of the nephroduct andits differentiation into Müllerian and Wolffian ducts are just the same in bothsexes in the Amphibia, as in the mammal embryos (Figs...
Ernst Haeckel 「The Evolution of Man」
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