HYMENOLEPIS CARIOCA PDF

PRELIMINARY NOTE ON THE LIFE HISTORY OF HYMENOLEPIS CARIOCA. By Myrna F. Jones. See allHide authors and affiliations. Science 23 Nov Hymenolepis may refer to: Hymenolepis (plant) · Hymenolepis (tapeworm) · Disambiguation icon. Disambiguation page providing links to articles with similar . 1. Science. Nov 23;68() PRELIMINARY NOTE ON THE LIFE HISTORY OF HYMENOLEPIS CARIOCA. Jones MF. PMID:

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Hymenolepis carioca | definition of Hymenolepis carioca by Medical dictionary

The Nervous System in the Cestode Moniezia expansa. The longitudinal fibers come from the diagonal system, or from the subcuticular longitudinal muscles, and attach to the tip of the cirrus pouch to form part of the system of protractors.

Lincei 5Vol. Beyond this narrow portion the vas deferens is dilated to form a second seminal vesicle figs. In connection with each commissural ring of the pro- glottis in T.

The length of one of the small specimens was 4 mm. The number of segments was The vasa efferentia are wide, short tubes uniting to form the vas deferens fig. A tape-worm which Cohn 98a considers the true T.

The wall of the uterus con- sists of a thin membrane fig. Brief synopsis in Braun Known as the Early Journal Content, this set of works include research articles, news, letters, and other writings published in more than of the oldest leading academic journals.

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These myoblasts are most prominent in the young segments before spermatozoa are found in the vas deferens. The margins of the strobila are serrate fig. Notes d’helminthologie bresilienne 8. The remaining few tm continue across to the other side of the segment.

Histoire naturelle des Helmintb.

Hymenolepis

Transverse vessels connect the ventral vessels at irregular intervals of two to seven segments, usually at an interval of about five. Diesing 50, 64 merely adds to the list of hosts. In Main lateral nerve. The inner quadrants of the carioc zones of the suckers correspond to the commissures in T.

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A layer of diagonal muscles fig. There is still further evidence in this regard. Specimens in my possession of Hymenolepis sp. Dujardin 45 took two specimens from an Anas boschas, one of which was 52 mm. Die im zoologischen Museum der Universitat Halle aufgestellten Ein- geweidewiirmer nebst Beobachtungen iiber dieselben. The rostellum is un- armed. It is therefore questionable whether such a difference is sufficient to separate generically two forms otherwise similar, whose lack of agreement in this regard may be explained as the result of a slight variation, which, although oc- curring but occasionally in one, has become permanent and normal in the nymenolepis.

A transverse muscle system is represented only by a few slender iso- lated fibers tmrestricted mostly to the extreme anterior and posterior ends of the segment, as hymenolepia the case in many other forms of the genus. Full text of ” On Hymenolepis carioca Magalhaes and H. The dorsal canal fig.

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PRELIMINARY NOTE ON THE LIFE HISTORY OF HYMENOLEPIS CARIOCA.

Strobilation begins immediately behind the head, and is very distinct almost from the first, by reason of the deep constrictions between the segments. The last 30 to segments are crowded with embryos so that the median field of each is fully oc- cupied fig.

Two figures by Creplin 29 are reproduced by Braun The form possesses three testes and in the details of cirrus pouch, the two seminal vesicles, seminal receptacle, ovary, yolk gland, and anlage of uterus shows striking similarities to H.

Transverse section through the posterior region of one of the first 35 segments. In anatomical details this form agrees with Jacobi’s description. In the segments imme- diately following, the anterior mass of cells has begun to arrange itself into a layer enclosing a central cavity; the uterine duct from the shell gland caeioca grown longer, and become bent back and forth.