Phoxinus laevis or Cobitis barbatula), it penetrates into the wall of the intestine of its second host, becomes again encysted and remains quiescent for some time.
Though an encysted Cercaria may remain some months without further change, it eventually dies unless it be introduced into its permanent vertebrate host, an act which is usually effected by the host in which it is encysted being devoured.
If their second host is swallowed by the vertebrate host of the adult of the species, the encysted forms become free, and attain to sexual maturity.
It is in a state fit to be introduced into its final host; but if it be not so introduced it may become encysted afresh.
At a certain stage of development the young flukes leave the snails, become encysted on stalks of grass (fig.
A very small proportion of the cases may recover spontaneously, the tumors being encysted or undergoing calcification.
The life history of the encysted stomach worm is not known in detail, but it is undoubtedly very much the same as that of the twisted stomach worm.
Piece of lining of fourth stomach, showing cysts of the encysted stomach worm (Ostertagia ostertagi).
Portion of grass stalk bearing threeencysted cercariæ of the common liver fluke (Fasciola hepatica).
Defn: Any protozoan when it becomesencysted produces germs by sporulation.
Defn: Consisting of or containing matter like honey; -- said of certain encysted tumors.
Encysted tumor, a tumor which is inclosed in a membrane called a cyst, connected with the surrounding parts by the neighboring cellular substance.
Defn: An indolent, encysted tumor of the skin; especially, a sebaceous cyst.
Encysted in the fat-body of the Cockroach; sexual state in the alimentary canal of the Rat.
Encysted in chylific stomach and gizzard; free in large intestine.
I carefully watched their movements, and saw the Amphileptus seize and struggle with a calyx of convallaria, and absolutely become encysted upon it, with the results that I had reported two years before.
I was observing with some pertinacity Vorticella convallaria; for one of the calices in a group under observation was in a strange and semi-encysted state, while the remainder were in full normal activity.
The responsible parasite is a roundworm (Trichinella spiralis, formerly known as Trichina) which is swallowed while in its encysted larval stage in raw or imperfectly cooked pork.
The encysted larva of Tenia solium was at one time regarded as an independent animal species and named Cysticercus cellulosae.
The parasites finally quiet down and become encysted in the muscle tissue and the symptoms, as a rule, gradually subside.
The condition known as "measly pork" is produced by the occurrence of this encysted parasite.
By far the most frequent are the encysted tumours, or wens.
But however badly trichinosed a piece of pork may be, thorough cooking of it will kill the encysted Trichinae, so that it may then be eaten with impunity.
To complete the development of the encysted and sexless Trichinae the infested flesh of the host must be eaten by another animal in which the worm can live, e.
If a specimen of trichinosed pork be obtained, the encysted stage of the Trichina, described in the following account, can be shown.
Encystment alone is not reproduction, and it first becomes a form of reproduction when it is associated with the division of the encysted animal.
There are, however, numerous cases which prove that the bodies of encysted animals may retain, during the whole process, exactly the same structure and differentiation, which were previously characteristic of them.
But if the encystedcondition is not identical with the death which we can produce at will, then natural death, viz.
The last two species and many others frequently do not divide at all during the encysted condition.
I, too, hold that the division of the encysted mass is of secondary importance, and that the encystment itself, without the resulting multiplication, is the original and essential part of the phenomenon.
For these reasons I consider the idea of rejuvenescence of the encysted individual to be contrary to our present physiological knowledge.
For this reason I must strongly oppose Götte’s view that an encysted individual is a germ, viz.
The encysted animal, when placed in fresh water, presently originates a living individual, but the one killed by boiling only results in decomposition of the dead organic matter.
But this state of the organism differs chemically and physically from the encysted condition, although we do not know all the details of the difference.
If the latter is abundant, it may become encystedby the formation of adhesions between the pelvic organs.
The so-called encysted abscesses projecting into the cavity of the heart, from its wall, are parietal and globular thrombi, in the interior of which softening has occurred.
Sometimes the exudation may become encysted above the pelvis and leave the contents of the latter free.
These usually are sources of little injury, especially when found in the intestines, but they may do considerable mischief when encysted within the body cavity or in the heart or liver.
It appears that trichinae can become sexual in all warm-blooded animals, but the number in which they can become encystedis not so great.
The encysted cercariae pass thus with arms and baggage into the stomach of a new host.
Some years ago a lioness died of peritonitis at Schoenbrunn, and, after death, the liver, the spleen, and other organs were found to be filled with encysted linguatulae.
Leuckart recognized these sexual distomes in their cyst, in the larvae of ephemerides; and Linstow noticed a distome thus sexual and encysted in the Gammarus pulex.
They live at first encysted by thousands together, under the name of Psorospermiae; they are afterwards hatched in the form of Amoebae, and then transformed into Gregarinae.
Leuckart was the first to show that the linguatulae, which lived at first encysted in the peritoneum of the rabbit, completed their evolution and became perfect in the nasal fossae of the dog.
At the end of a month it is encystedin this insect, and after five or six weeks it becomes sexual in the mouse.
These germs come forth in the intestine of the larva, they perforate the intestine and becomeencysted in the folds of fat which surround it.
The adults live in great numbers in the alimentary canal of some vertebrate, usually fish, the larvae are as a rule encysted in the body cavity of some invertebrate, most often an insect or crustacean, more rarely a small fish.
The larval stage is passed in the muscles of various animals, especially cattle, where it liesencysted (cysticercus stage).
Here a flagellum from the male unites with the female, which soon thereafter becomes encysted in the wall of the intestine.
Infection in man occurs from ingestion of insufficiently cooked pork, which contains encysted embryos.
Encysted tumours of the labia are not uncommon, and sometimes solid swellings, varying in size and structure, grow from these parts.
The cyst is thickened, and lymph is effused into the cavity so as to convert an encystedswelling into one of solid consistence.
Encysted tumours frequently form in the scalp, and, if undisturbed, become large; they seldom occur singly.
Encysted tumours of the breast containing milk are sometimes met with.
In general, regular dissection is unnecessary in the removal of encysted tumours.
Sometimes there are severalencysted calculi in the same bladder, but in such cases they are seldom of large size.
On two occasions he found an encysted parasite in the liver of negroes at Cairo, the nature of which, however, he did not accurately determine.
Ordinarily, however, the encysted condition of olulanus is to be found in the muscles of mice, which are thus said to be olulanised.
In one of these the encysted worms were found in the liver and lungs, and in the other in the liver only.
The spleen contained numerous encysted hydatids, whilst the uterine organs exhibited “an immense collection” of the same growths.
When myriads of them are thus encysted a kind of nematode tuberculosis is set up.
Most of the forms found encysted are sexually-immature worms.
Not only did I find the fæcal matter of the colon loaded with mature strongyles, but the walls of the intestine were also occupied with encysted and immature forms of the same nematode species.
This worm is found encysted beneath the peritoneal membrane in Galaxias scriba and Synbranchus laticaudatus.
The pectoralis transversus and other muscles were found to harbour a considerable number of encysted Trichinæ.
These parasites are also found encysted in the gizzard of Tringa.
On reaching the stomach the embryos escape the egg-coverings and bore their way directly to the liver and other viscera, in which organs they become encysted and undergo the pupal transformation.
Encysted condition common; the green forms sometimes multiply in this state and simulate unicellular Algae.
Same encysted dejected from rectum to be swallowed by tadpole.
The anasarca does not appear until the encysted dropsy is very far advanced.
Ambrose found a needle encystedin the heart of a negress.
It was an enormous encysted tumor, springing from the clavicle of a Veronese nobleman.
Young speaks of a fetus which lay encysted between the laminae of the transverse mesocolon, and Highmore published a report of a fetus in a cyst communicating with the duodenum.
After death the bullet was found buried and encysted in the heart.
Talpidae, the moles: an encysted tumour on the head, a wen.
When the first tumefaction {1011} due to the initial congestion takes place, the organ may be much larger than subsequently, the pus becoming encysted and the normal state outside of the area of suppuration being restored.
Dilatation of the Rectal Pouches, or Physick's Encysted Rectum.
He then, strangely, gives, as if they were illustrations of such a disease, two cases in which death by acute peritonitis followed the last of many tappings, in one of which a pool of pus was found encysted in front of the intestines.
It is this: the serum is enclosed or encysted in bladders, the walls of which are the false membrane.
There are cases, usually of encysted abscess, in which no functional disturbance of any kind exists.
When an encysted abscess develops in the course of a chronic dysentery, there may be no appreciable change in the condition of the patient properly attributable to the additional lesion.
He threw out a reserve, encysted in which he grew to maturity unaffected by the intercourses that modify the maturity of others into the thing we call a man.
Illustration: Encysted Vorticella, showing the obliteration of special organs by the advancement of the process.
Illustration: Vorticella microstoma, the encysted animal protruding through a supposed rupture of the tunic.
In the abdominal lymphatic glands these were masses of compact tuberculous matter encysted in strong fibrous capsules, one of which measured three inches in diameter.
The cow had evidently been affected with tuberculosis, but the encysted mass of dead lung was a lesion which is not produced in this disease, but which is a frequent result of contagious pleuro-pneumonia.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "encysted" in a variety of sentences. We hope that you will now be able to make sentences using this word.
