"Duct" Quotes from Famous Books
 ... means of two orifices (H, H). The bore (G) extends down to a point a little below the orifices (H, H), and a small tube (I) runs through the tube D, within the tubes F, F, the ends of the tube being open. A duct (J) centrally through the tubular piece (D) communicates with the bore of the tube I. One each side of the tube D is a little tube (K), which communicates with the inner end of each tube (F). A receptacle (L) is attached ...
— The Wonder Island Boys: The Mysteries of the Caverns • Roger Thompson Finlay
... leeches, as well as by creeping on their setae. The mouth is terminal, and leads into a muscular oesophagus which opens into a straight intestine terminating in an anus, which is said to be dorsal in position. The sexes are distinct. The testis is single, and its duct opens into the intestine and is provided with two chitinous spicules. The ovary is also single, opening independently and anterior to the anus. The nervous system is as ...
— Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 - "Demijohn" to "Destructor" • Various
... Increased secretion of saliva. This may be effected either by stimulating the mouth of the gland by mercury taken internally; or by stimulating the excretory duct of the gland by pyrethrum, or tobacco; or simply by the movement of the muscles, which lie over the gland, as in masticating any tasteless substance, as a lock ...
— Zoonomia, Vol. II - Or, the Laws of Organic Life • Erasmus Darwin
... largest, is situated in front of the external ear, and behind the angle of the jaw. A duct (Steno's) from this gland opens into the mouth, opposite the second molar tooth of the ...
— A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) • Calvin Cutter
... parts, namely, the oesophagus, the gastro-duct, and the first three cavities, not only communicate with each other, but they communicate by one common point, and that point is the gastro-duct. At the extremity of the third cavity, opposite to that at which the gastro-duct enters it, is an aperture which ...
— Delineations of the Ox Tribe • George Vasey
... skill and balance, enabled him to accomplish, without legs, feats which might have balked a man with a capable and energetic pair of them. He could travel upon his crutches for the length of a city block almost as fast as the average man can run, and if it came to climbing a rope or a rain-duct he was more ape than human. In his own dwelling he had for his own use, instead of the laborious stairs needed by its other inmates, a system of knotted ropes by which he could ascend from cellar to attic, and polished poles by whose aid he could accomplish ...
— The Penalty • Gouverneur Morris
... testicles, with an accessory gland, the epididymis. Hundreds of thousands of spermatozoa are contained in the glandular tubes of these organs, which, when they are mature can always produce new ones by cell division. The spermatozoa accumulate at the extremity of the duct of the gland in a reservoir called the seminal vesicle, where they float in the mucus, thus constituting the seminal fluid or sperm. This liquid has a special odor. The two seminal vesicles are situated in the abdominal cavity underneath the urinary bladder, each having ...
— The Sexual Question - A Scientific, psychological, hygienic and sociological study • August Forel
... living things, circulates among them, passing through a network of ducts. To organize them, to direct the placing of them, the nervous system, the embryo of the animal, distributes its ramifications over them. Nerve and air duct, therefore, are the essentials; the rest is so much material in reserve for the process of the metamorphosis. As long as that material is not employed, as long as it has not acquired its final equilibrium, ...
— The Life of the Fly - With Which are Interspersed Some Chapters of Autobiography • J. Henri Fabre |
