I greatly fear that actinomycosis is destined to play an important part in the final extinction that seems to be the impending fate of the beautiful and valuable prong-horned antelope.
In 1906 we discovered the existence of actinomycosis among the black mountain sheep of northern British Columbia.
They are quite subject to actinomycosis (lumpy-jaw), which in wild animals is incurable.
Actinomycosis of the skin is an affection due to the ray fungus, and characterized by a sluggish, red, nodular, or lumpy infiltration, usually with a tendency to break down and form sinuses.
The disease is not limited to any organ as the name lumpy jaw would imply; we may have actinomycosis of the lung, digestive tract, and of the skin.
Of these, the most important is the streptothrix actinomyces, the cause of actinomycosis in man and cattle.
Section of Actinomycosis Colony in Pus from Abscess of Liver, showing filaments and clubs of streptothrix actinomyces.
When it affects the lower jaw, in its early stages, actinomycosis may closely simulate a periosteal sarcoma.
The conditions likely to be mistaken for surgical actinomycosis are sarcoma, tubercle, and syphilis.
In the absence of the characteristic yellow granules, actinomycosis may readily be mistaken for tuberculous or syphilitic disease, or for sarcoma.
Ponfick[89] has recently added the disease actinomycosis to the series, and Cohnheim suggests that certain of the lympho-sarcomata may be similarly classified.
The course of actinomycosis is usually a chronic one, but occasionally the fungus gets into the blood, when the course is that of an acute infective disease or even pyaemia.
And since that year the name Actinomycosis has been falling into disuse, and in any case is only used synonymously with Streitotrichosis.
The bones in actinomycosis enlarge and become painful; the parts adjacent are infiltrated and soften; pus forms and reaches the surface through fistulae and the skin is often involved secondarily.
Actinomycosis in cattle is specially prevalent in river valleys, marshes, and on land reclaimed from the sea.
Actinomycosis in some ways closely resembles tuberculosis in its tissue characters.
It has been demonstrated that Streptothrix actinomycotica and Streptothrix maduræ are the organismal cause, respectively, of Actinomycosis and Madura-foot, two diseases which have hitherto been obscure.
Actinomycosis of the tongue, in interfering with the many and varied movements of this important organ, is also a serious matter.
Tuberculosis and actinomycosis may infrequently be characterized by the lodgment of their parasitic causes in the parotid glands, in which case parotitis may be a symptom of either of these diseases.
In the case first mentioned the changes were still less marked, and actinomycosis would not have been suspected by a simple inspection.
Some diseases, such as Texas fever and nagana, are traceable to protozoa, while others, like actinomycosis and aspergillosis, are caused by fungi.
The Federal meat-inspection regulations require that carcasses of animals showing generalized actinomycosis shall be condemned.
Actinomycosis of the lungs is occasionally observed, and it is not improbable that at times it has been mistaken for tuberculosis.
A French veterinarian, Godbille, has used the same remedy in a number of cases of actinomycosis in the tongue, all of which have been cured.
Israel, who has studied this question carefully, found the disease in Jews who never ate pork,[5] and who likewise were protected from bovine actinomycosis by the rigorous meat inspection practiced by that race.
A description of actinomycosis of the jaw (lumpy jaw) and of the tongue has already been given in a previous chapter, and hence they will be dealt with here only very briefly.
These few illustrations suffice to show that actinomycosis of the lungs may appear under quite different forms, and that the nature of the disease can be accurately determined only by finding the fungus itself.
Occasionally the ear becomes involved inactinomycosis (lumpy jaw), or the inflammation may be the result of a tuberculous affection.
Most authorities thus do not believe that actinomycosisin man is directly traceable to the disease in animals, but are of the opinion that both man and animals are infected from a third source, which has already been discussed above.
The specific cause of actinomycosis is commonly known as the ray fungus (Fig.
Actinomycosis of the lungs may present the appearance of a chronic pulmonary affection.
Actinomycosis must be excluded, and the possibility of mixed luetic and tuberculous lesions is to be kept in mind.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "actinomycosis" in a variety of sentences. We hope that you will now be able to make sentences using this word.
