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Updated: May 31, 2025
There is also a chronic aqueous diarrhoea, in which the atmospheric moisture, drank up by the cutaneous and pulmonary lymphatics, is poured into the intestines, by the retrograde motions of the lacteals. This disease is most similar to the aqueous diabetes, and is frequently exchanged for it: a distinct instance of this is recorded by Benningerus, Cent. v.
The most remarkable feature is the rapidity with which the disease becomes disseminated along the lymphatics, the first evidence of which is an enlargement of the lymph glands.
The connective-tissue framework of a nerve-trunk consists of the perineurium, or general sheath, which surrounds all the bundles; the epineurium, surrounding individual groups of bundles; and the endoneurium, a delicate connective tissue separating the individual nerve fibres. The blood vessels and lymphatics run in these connective-tissue sheaths.
#Secondary Cancer of the Skin.# Cancer may spread to the skin from a subjacent growth by direct continuity or by way of the lymphatics. Both of these processes are so well illustrated in cases of mammary cancer that they will be described in relation to that disease. #Sarcoma# of various types is met with in the skin. The fibroma, after excision, may recur as a fibro-sarcoma.
A similar type of elephantiasis may occur after extirpation of the lymph glands in the axilla or groin; in the leg in long-standing standing varix and phlebitis with chronic ulcer; in the arm as a result of extensive cancerous disease of the lymphatics in the axilla secondarily to cancer of the breast; and in extensive tuberculous disease of the lymphatics.
In most cases of infection the presence of these filariæ in the blood seems to cause no inconvenience to the host. They are probably never injurious in the larval stage, that is, in the stage in which they are found in the peripheral circulation. In many cases, however, the presence of the sexual forms in the lymphatics may cause serious complications.
The small tubes connecting with the lymph spaces in all parts of the body are the lymphatics. The lymphatics in different places gradually converge toward, and empty into, the two main lymph tubes of the body. The smaller of these tubes, called the right lymphatic duct, receives the lymph from the lymphatics in the right arm, the right side of the head, and the region of the right shoulder.
Soon after entering the circulatory system of the human host the parasites make their way into the lymphatics where they attain sexual maturity, and in due time new generations of the larval filariæ or microfilariæ are poured into the lymph, and finally into the definite blood-vessels, ready to be sucked up by the next mosquito that feeds on the patient.
In the absorbent system there are many anastomoses of the vessels, which seem of great consequence to the preservation of health. These anastomoses are discovered by dissection to be very frequent between the intestinal and urinary lymphatics, as mentioned by Mr.
Each muscle has its own set of blood-vessels, lymphatics, and nerves. It is the blood that gives the red color to the flesh. Blood-vessels and nerves on their way to other parts of the body, do not pass through the muscles, but between them. Each muscle is enveloped in its own sheath of connective tissue, known as the fascia.
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