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Scientific note

ANATOMY OF THE MARE OVARY USING PLASTINATED SECTIONS BY THE METHOD E12

Horst Erich König1*, Mircea-Constantin Sora2, Johannes Seeger3, y Sergio Donoso 4

ABSTRACT

The macro-anatomical organization of the mare ovary differs from other mammalians since the parenchymal zone is positioned inside the ovary. The parenchymal zone is bell-shaped and it is surrounded by the vascular zone. Regarding body size, the ovary of mares is bigger compared to that of other species, such as cows. The objective of this study was to verify the special structure of a mare ovary by obtaining transparent slices using the E12 method. A number of 14 mare ovaries were collected and 2 of them were selected through palpation based on the presence of functional structures (follicles and a corpus luteum). These specimens were plastinated using the E12 method and cut into 2-mm transparent slices. A mature follicle was found in one of the ovaries, and the stigma could also be seen. Several follicles and a corpus luteum were found on the slices of the other ovary. These slices can be used as a teaching/learning resource by clinicians and students since the structures observed are similar to those obtained using ultrasound.

Key words: anatomy, ovary, mare, plastination, E12 sections.


1 Institut für Anatomie, Histologie und Embryologie, der Veterinärmedizinischen Universität Wien, Veterinärplatz 1, A-1210 Viena, Austria.

2 Zentrum für Anatomie und Molekulare Medizin Sigmund Freud Privatuniversität Wien, Freudplatz 1, 1020 Wien, Austria

3 Veterinär-Anatomischen Institut, der Universität Leipzig, An den Tierkliniken 43 04103 Leipzig, Alemania.

4 Departamento de Patología y Medicina Preventiva, Facultad de Ciencias Veterinarias,  Universidad de Concepción, Casilla 537, Chillán, Chile.

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