Veja grátis o arquivo Sistema reprodutor masculino enviado para a disciplina de Histologia Categoria: Anotações – Article: Anatomia e histologia do aparelho reprodutor masculino de Pomacea canaliculata (Lamarck, ) (Mollusca, Gastropoda, Pilidae). Add this to your. Lâmina M02 – Testículo e epidídimo Tinycards by Duolingo is a fun flashcard app that helps you memorize anything for free, forever.

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Mem Entomol Soc South Africa. Morphological description of the ovary and of vitellogenesis.


Figure 2 represents the same scheme 1 with vertical lines demarcating zones, in order to guide readers on the approximate location of a number of serial cuts. Central structures of female genital system Oviducts: The penis has a conjunctive muscular sheath that can be seen in histologla Gieson’s coloured preparations.

Dissection of tick specimens was performed with an original method 13 allowing a faster and secure procedure that could be done in 10 to 15 minutes per tick with a great percentage of success and without loss of hustologia structure parts.

The functional anatomy and histology of the reproductive system of some pilid gastropod molluscs. In the structure of the testis a great number of very small channels converges to a single one. Male introduces its chelicerae inside the female genital pore and apraelho ejaculates into a sac, named ectospermatophore; inside itthere is another sac the endospermatophore full of inmature seminal cells named spermatids. In their lumens we could apareljo masses of cells that will originate spermatozoids.

Results of studies in Amblyomma triste by de Oliveira et al.

A pair of tubular accessory glands pours out their secretions at the level of the union of both cervical and vestibular vagina. The structure of female genital system in Ixodidae consists of a single U-shaped tubular ovary in the posterior region of the body, paired and folded oviducts are in both extremes of the ovary joint into a common oviduct or uterus. The ovary is composed by a layer of small epithelial cells with rounded nuclei surrounding the lumen, and oocytes in different developmental stages: Anatomia e histologia do aparelho reprodutor masculino de Pomacea canaliculata Lamarck, Mollusca, Gastropoda, Pilidae.


Schneider I, Rudinsky JA. In this paper the authors give an anatomical and histological analysis of the male reproductive system of Pomacea canaliculata Lamarck, The uterus opens into the vagina, which is divided in a cervical vagina and a vestibular vagina. A seminal receptacle, absent in argasids 3,4 as well as the uterus, open also in the cervical vagina.

Barreira hemato-testicular

Assuring paternity in a promiscuous world: Se emplearon hembras no alimentadas y parcialmente ingurgitadas. There are some anatomical particularities in B.

Full text available only in PDF format. The quality and resolution of images apwrelho remarkable because of the improvement by authors of a histological technique specially for arthropods. A contribution to the anatomy and histology of the brown ear tick Rhipicephalus appendiculatus Newman.

It is in communication with the cervical vagina by means of an epithelial folded muscular tube: Oxford, ; pp. In these images, all structures seem to be surrounded by circulatory sinus in fact they were never shown in images of B.

Músculo cremaster – Wikipédia, a enciclopédia livre

On the contrary, in B. Histologic technic and practical histochemistry methods. Anatomically, the testis is better evidentiated than the ovary. Ixodidae Role for pedicel cells. All the contents of this reeprodutor, except where otherwise noted, is licensed under a Creative Commons Attribution License.

Sistema reprodutor masculino

A detail aaparelho of mating and sexual tick behavior could be read in Kiszewski et al. It is conspicuous the likeness of the images in all photographs and this fact discards the possibility of being a histological technic artifact. Different authors 1,2,3,4 have made a full description of this organ.

How to cite this article. Ixodidae and its potential significance for fertilization. Services on Demand Journal. Histological and dissection Techniques: Vitellogenesis in the tick Amblyomma triste Koch, Acari: Mating strategies and spermiogenesis in ixodid ticks. The histoologia and histology of the female genital system in Boophilus microplus are scarcely studied.

The male copulatory organs result of transformations that take place in the inner mzsculino on the palial membrane. Unfed and partially engorged females of B. Spermatids suffer a capacitation inside the seminal receptacle in order to complete maturation; already mature cells are called spermiophores Fig. Transversal sections of vestibular vagina appear in Fig.


In the present paper, the general objective is to consider the female genital system of this tick as a whole and to analyze the morphological and functional interrelations between different structures. The knowledge of these subjects is very important as apwrelho basic tool in all species in relation to morphological reprodutr and evolution, physiological events like ovulation, sexual behavior, maturation and mating, and also to research the interrelation tick-hemoparasite.

Coloration was done with hematoxylin-eosine. Copulation in ixodid ticks. The anatomy and histology of the female genital system in Boophilus microplus are scarcely studied; only it is possible to refer to articles about oviducts and fertilization 8,9 and studies of the ovary by Saito et al. The male bends its capitulum toward the female genital aperture and then introduces its chelicerae which protrude out of its shafts into the female genital pore 18,19, 20 ; both hypostome and palps briefly touch the surface of the female, receptors on the palps mediate pheromone perception, these sensilla are concentrated on the fourth segment of the palp on hard ticks Morphological characterization of the ovary and vitellogenesis dynamics in the tick Amblyomma cajennense Acari: The male takes the ectospermatophore with its chelicerae by the neck of the sac and introduces it into the female genital pore In the present paper, the female genital system of this tick has been considered as a whole and morphological and functional interrelations between different structures and also some other related items has been presented.

IV Reproduction in ticks Ixodoidea.