It may be that in the case of the rabbit, and many Nematodes as described by van Beneden and by Buetschli, we have instances of a different mode of formation of the polar cells.
Possibly, it may turn out that all the nematodes in each tumour have been bred in the spot where they are found, but hitherto they have only been seen in the adult state.
The larval Pentastoma denticulatum has been found by Otto attached to the surface of the lungs, and Redi, about two centuries back, noticed small nematodes lodged in tubercles of the œsophagus.
In connection with the equine nematodes I need only mention the lung-worm (Strongylus micrurus).
As regards the nematodes of leporine rodents, probably the most important is Strongylus commutatus.
It would seem, in short, that the eggs of nematodes which normally take up their residence in cats, dogs, and in the carnivora which reside in arid regions, will develop embryos in the egg without external moisture.
The microscopic nematodes closely resemble the larvæ of F.
Passing to the strongyloid nematodes one of the most remarkable and important species is Stephanurus dentatus.
Amongst the nematodes is Van Beneden’s Filaroides mustelarum, for specimens of which I am indebted to Mr Wright Wilson.
Dr Sonsino having compared the facts supplied by these cases, was satisfied that the nematodes in question were specifically identical with those that I had previously obtained from my little African patient.
In addition to the above nematodes some few others remain to be mentioned.
The nematodes of the ruminants are both numerous in, and destructive to, their bearers, those infesting the lungs being productive of a parasitic bronchitis termed husk or hoose.
Although the ova of various Nematodes have formed some of the earliest, as well as the most frequent objects of embryological observation, their development is still but very imperfectly known.
The study of the development of the generative organs of Nematodes has led to some interesting results.
The second group of parasitic Nematodes with two hosts may be divided into two groups, according to whether the larva has a free existence before passing into its first or intermediate host, or is taken into it while still in the egg.
Although a large number ofNematodes have a free existence and simple life history, yet the greater number of known genera are parasitic, and undergo a more or less complicated metamorphosis[155].
Amongst the Nematodes with but a single host a remarkable parasite in wheat has its place.
Almost all writers on this subject give examples of these; some in the larvae of ichneumons, others in the lernaeans, and we have more than once met with nematodes in different crustacea still attached to their host.
Diezing, who has done more for systematic helminthology than any 234 other naturalist, brought together, under the name of Agamonema, all the migratory agamous nematodes which wait for the opportunity of entering their final host.
We see in some of the nematodes examples of migration which are quite peculiar to them.
The name of Trichocephalus has been given to nematodes which have the cephalic extremity very thin, and ending in such a fine point that it is difficult to discover the mouth.
Many nematodes lodge in the substance of the walls of the gizzard of birds.
The migrations of nematodesare subjects of great interest.
Professor Pagenstecher found at Ostend, on the Nicothoe of the lobster, nematodes which he arranged among the Leptoderae.
An adult female, taken July 19, was found to have many tapeworms in the intestine, many nematodes in the lung tissue, an infested liver, and a large number of nematodes in a cavity in the top of the skull.
The results of his researches at Heligoland had led him to suppose that the Nematodes (of the worm type) formed an independent group; he now proposed to settle that question.
Salamanders examined in September were all parasitized and probably carriednematodes with them into their winter retreats.
The monthly variation in the relative occurrence of young stages versus adult in both nematodes (Table 2) suggests that the parasites are eliminated from hosts sometime in the long period, late September to early June, when A.
We believe the two nematodes are well-tolerated by the salamander.
The numerical and temporal occurrence of thenematodes is summarized in Table 2.
On the development and hatching of the eggs of Hammerschmidtiella diesingi and Leidynema appendiculatum, nematodes of roaches.
Protozoa like Nyctotherus, and intestinal nematodes of the family Thelastomatidae), which do not invade the host's tissues and seem to have no effect on the activity and vitality of the host, are commensals.
It is probably generally true that nematodes which are secondary parasites in cockroaches do some damage to the host's intestinal tract at least, and they probably also damage other organs in which they may encyst.
More than 40 nematodes were found in each cockroach of 1.
A filamentous bacterium growing on two nematodes (Oxyuroidea: Theleostomidae) of the cockroach.
Leidy (1853) noted the presence of simple, inarticulate, amorphous filaments, growing from nematodes infecting B.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "nematodes" in a variety of sentences. We hope that you will now be able to make sentences using this word.
