Nor was the full story of the trichina made out for a long time after Owen's discovery.
Trichina is parasitic in man, and in swine, and also in the rat, mouse, cat, fox and other forms which feed upon them.
It occasionally however happens that this migration does take place, and the life history of Trichina spiralis then becomes almost identical with that of some of the forms of the third type.
The well-known Trichina spiralis has a life history unlike that of other known Nematodes, though there can be little doubt that this form should be classified in respect to its life history with the last-described forms.
In like manner, the subject of the flesh-worm disease, which is due to Trichina spiralis, cannot be discussed in this place, as I have fully entered upon it in connection with trichinosis in the human subject.
The history of the discovery of this entozoon is second only in interest to that of Trichina spiralis.
In the list Trichina spiralis must also be included, although, so far as I am aware, it has only been seen in dogs that have been subjected to feeding experiments.
Hitherto, Trichina has not been observed in our British-fed swine in more than one or two, or possibly three instances.
As the Trichina spiralis has been repeatedly reared by myself and others in the hedgehog, the little flesh-worm must also be noticed in this place.
In the following year Professor Owen first scientifically described and named the flesh-worm (Trichina spiralis) in the published transactions of a learned society.
Arguing from what happens in the case of Cucullanus amongst fishes, and Trichina in man, there can be little doubt that all the further and final changes undergone by the larvæ are accomplished within the human host.
The writer may add that it was in a slice of boiled ham, from which he had partly made his dinner, that he first discovered trichina in the hog.
The trichinais also found infesting other animals of the same class besides man and the hog, especially the rat, mouse, rabbit, cat, and fox.
The adult intestinal trichinais a minute, filiform white worm, thicker behind and tapering forward.
The trichina was first distinctly noticed in the muscles of the human body by Paget in 1835, and was described by Owen with the name it now bears.
When meat with living trichina capsules is swallowed, the freed worms pass into the intestine, and here in the course of four or five days reach maturity.
Man is ordinarily infected with the trichina by eating the raw or insufficiently cooked meat of the hog, or pork in any of its varieties of food.
The trichina capsules commonly measure about one-fifth of a line long, and the coiled worm within is scarcely a half-line long.
The trichina disease is only known at present to be produced in men by the worms in the flesh of pigs which is eaten, and it seems doubtful whether pigs receive them from the land.
We have alluded to the vibriones which are found in the fluids of living bodies, and the trichina which is found in the solid muscle; we have now to refer to those which infest the cavities.
In this country an unexplained marked eosinophilia warrants examination of a portion of muscle forTrichina spiralis (p.
Trichina spiralis is therefore the name of this animal.
The Trichina is a nematode worm, and not an insect, as it was at first called.
The muscle of the pig is often infested by a minute animal parasite, or worm, called trichina spiralis.
In 1835, Owen discovered a peculiar parasite, which sometimes infests the human body, and is termed the trichina spiralis.
The tapeworms, common in many animals and often occurring in man, the roundworms of which the trichina (Fig.
The deadly Trichina spiralis belongs to this group (Fig.
Vinegar eels, the horsehair worm, the pork worm or trichinaand the dread hookworm are examples.
If raw pork containing these worms is eaten by man, the cyst is dissolved off by the action of the digestive fluids, and the living trichina becomes free in the intestine of man.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "trichina" in a variety of sentences. We hope that you will now be able to make sentences using this word.
