The Cyclopædia of Anatomy and Physiology, Volumen4,Tema 1Robert Bentley Todd Sherwood, Gilbert, and Piper, 1852 |
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Términos y frases comunes
acid gas albumen animal animalcules aorta appears artery becomes bladder blastema blood bone branches calculi canal cancer capsule carbonic acid carbonic acid gas Carnivora cavity cells cellular cilia cloaca colour composed contained corpuscles cysts developed diameter disease distinct duct Ehrenberg epithelium exist experiments expired air external extremity fibres fibrin fibrous fluid formation frequently genera genus gland growth inches incisors interior intestinal canal intestine kidney layer less liver lobe lobules lungs Malpighian bodies mass matter maxillary membrane ment microscope molars mouth mucous mucous membrane muscles muscular nerves nucleus observed organs orifice oxygen parietes pass phosphate polypes portion posterior produced prostate pulse quantity reptiles respiration respiratory ribs Rotifer Rotifera saliva scapula secretion seen side situated species spermatozoa stomach structure substance surface teeth tentacula termination tion tissue transverse tubercle tubes tumour upper ureter urethra urine veins venous vertebræ vesicles vessels whilst
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Página 74 - ... of liquid matter, and hurling along, in rapid succession, opaque masses, which it strewed everywhere around. The beauty and novelty of such a scene in the animal kingdom, long arrested my attention, but after twenty-five minutes of constant observation, I was obliged to withdraw my eye from fatigue, without having seen the torrent for one instant change its direction, or diminish, in the slightest degree, the rapidity of its course. I continued to watch the same orifice, at short intervals, for...
Página 296 - A true idea of the structure of a poisonfang will be formed by supposing the crown of a simple tooth, as that of a boa, to be pressed flat, and its edges to be then bent towards each other, and soldered together so as to form a hollow cylinder open at both ends. The flattening of the fang, and its inflection around the poison-duct...
Página 471 - Maryland, exhibited to his obstetrical class, in the year 1827, a colored man, fifty-five years of age, who had large, soft, wellformed mammae, rather more conical than those of the female, and projecting fully seven inches from the chest, with perfect and large nipples. The glandular structure seemed, to the touch, to be exactly like that of the female. This man had officiated as wet-nurse for several years, in the family of his mistress, and he represented that...
Página 446 - each single part of the body, in respect of its nutrition, stands to the whole body in the relation of an excreted substance...
Página 471 - A carpenter fell into a quarrel with a soldier billeted in his house, and was set-upon by the latter with his drawn sword. The wife of the carpenter at first trembled from fear and terror, and then suddenly threw herself between the combatants, wrested the sword from the soldier's hand, broke it in pieces, and threw it away.
Página 260 - Malpighian bodies, and on their singular connection with the tubes, I was led to speculate on their use. It occurred to me that as the tubes and their plexus of capillaries were probably, for reasons presently to be stated, the parts concerned in the secretion of that portion of the urine to which its characteristic properties are due (the urea, lithic acid, &c.), the Malpighian bodies might be an apparatus destined to separate from the blood the watery portion.
Página 295 - In the interspaces of the fixed teeth in both these bones, the places of attachment of the shed teeth are always visible ; so that the dental formula, if it included the vacated with the occupied sockets, would express a greater number of teeth than are ever in place and use at the same time.
Página 296 - The superior maxillary bone diminishes in length with the decreasing number of teeth which it supports : the transverse or external pterygoid bone elongates in the same ratio, so as to retain its position as an abutment against the shortened maxillary, and the muscles implanted into this external pterygoid...
Página 154 - John Hunter similarly regarded it, after independent examinations of the organ, stating that " a small portion of it (the prostate) which lies behind the very beginning of the urethra, swells forward like a point, as it were, into the bladder, acting like a valve, to the mouth of the urethra.