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Updated: May 15, 2025
First, the transmission is through the ordinary cellular tissue, and not through what are called the fibrous or vascular bundles. Second, the movement is a vital one, and is effected by contraction on the side toward which the bending takes place, rather than by turgescent tension of the opposite side. The tentacle is pulled over rather than pushed over. So far all accords with muscular action.
To him it is a nasty scrunch of the two hundred and twenty-six bones forming his own admirably designed osseous structure; a dull, sickening wallop of his exquisitely composed cellular, muscular, and nervous tissues; a general squash of his beautifully mapped vascular system; a pitiless stoush of membranes, ligaments, cartilages, and what not; a beastly squelch of gastric and pancreatic juices and secretions of all imaginable descriptions biliary, glandular, and so forth.
In general, it is certain that the greater part of the cells that compose the vessels and their contents come from the mesoderm in fact, from the gut-fibre layer; it was on this account that Baer gave the name of "vascular layer" to this visceral layer of the coeloma. But other important observers say that a part of these cells come from other germinal layers, especially from the gut-gland layer.
The assertion that nervous excitement, produced by intellectual work, is capable of affecting an apparatus apparently so remote from the organ of the intelligence as is the vascular system of the uterus, certainly implies some most interesting physiological facts and a mechanism the reverse of simple.
Motley for some time, but he consulted me for the present condition about midsummer. . . . If I have formed a correct opinion of the pathology of the case, I believe the smaller vessels are degenerating in several parts of the vascular area, lung, brain, and kidneys.
We call them vascular glands, and we believe that they elaborate colored and uncolored blood-cells; but just what changes they effect, and just how they effect them, it has proved a very difficult matter to determine.
"What is this?" asked the little professor, handing a small round object to the candidate. "It is an echinus a sea-urchin," Tom said triumphantly. "Have they any circulation?" asked the other examiner. "A water vascular system." "Describe it."
In the pent-in evils which pathology so often shows occurrent in the case of spirit-drinkers, in the vascular, fatty and fibroid degenerations which take place, in the accumulations of rheumatic and scrofulous tendencies, there is the strongest evidence that "and is very prone to initiate serious disturbances amid the normal conduct both of organ and function.
Thiersch contends that healing of a granulated surface results first from a conversion of the soft, vascular granulation-papillae, by contraction of some of their elements into young connective-tissue cells, into "dry, cicatricial papillae," actually approximating the surrounding tissues, thus diminishing the area to be covered by epidermis; and, secondly, by the covering of these papillae by epidermic cells.
In the human species, and especially in men probably, as Bryan Robinson remarks, because women are protected by the greater slowness with which detumescence occurs in them not only death itself, but innumerable disorders and accidents have been known to follow immediately after coitus, these results being mainly due to the vascular and muscular excitement involved by the processes of detumescence.
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