Squirrel

Introduction: The Persian Squirrel (Sciurus anomalus) is the only member of the Sciuridae
family found in the Middle East. Some people maintain them as pets, thus their referrals to
veterinary hospitals has been increased recently. Several morphological studies have been
carried out mainly on the arch of aorta and its branches in common rodents, small mammals,
and domestic animals but there are no reports on the details of the arcus aortae and its
branches in the Persian squirrel despite the massive distribution of this species. Therefore, this
study aimed to investigate the anatomy of the arcus aortae in this species to promote future
investigations in this field.
Methods: Four adult Persian squirrels were used for this research. The subjects were injected
with red-colored latex into their left ventricles. Then, they were dissected and the pattern of
arcus aortae branches was illustrated in the Persian squirrel.
Results: The arcus aortae branches off to the truncus brachiocephalicus and the arteria subclavia
sinistra. At first the arteria carotis sinistra arises from the truncus brachiocephalicus and then
continues to give off the arteria carotis dextra and arteria subclavia dextra. The subclavia dextra
and sinistra branch into the same vessels, including arteria thoracica interna, arteria vertebralis,
arteria cervicalis superficialis, arteria cervicalis profunda, and a common root which ramifies
to the arteria scapularis dorsalis and the arteria intercostalis supreme.
Conclusion: The vessels originating from the arcus aortae showed significant differences,
especially in the arteria subclavia branches compared to other rodents and small mammals.

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El objetivo del estudio fue detectar la frecuencia de anticuerpos contra Leptospira sp en la población de ardillas nuca blanca (Sciurus stramineus) silvestres capturadas en el zoológico Parque de Las Leyendas, Lima. Se colectó 35 muestras de suero de ardillas nuca blanca de ambos sexos, de diferentes edades y zonas del zoológico, para la detección de anticuerpos contra Leptospira sp mediante la prueba de microaglutinación. El 82.3% (29/35) de animales presentó anticuerpos contra Leptospira sp, donde el 60% correspondió al serovar icterohemorraghiae, seguidos por georgia (31.4%), canicola (5.7%), y australis (2.8%). No hubo diferencia estadística entre la presencia de anticuerpos contra Leptospira sp y las variables sexo, edad y área de captura de las ardillas. Los resultados indican que la infección leptospiral está presente en las ardillas nuca blanca pudiendo constituir un riesgo para los animales de la colección faunística y las personas que laboran en el zoológico.

Text presented on Alliance Francaise's round-table on the theme of the year “Close[r]” focusing on one of its subject matters “New Solidarities”. The panel was composed by speakers Ashok Vajpeyi, poet, Savita Singh, professor Gender studies, Marilia M. Pisani, professor philosophy, and Ramin Jahanbegloo, the philosopher come together to shed light on the crucial thought of 'Creating closeness in times of social distance'.

Abstract: What experiences could be narrated and shared about new forms of solidarity that would have emerged during the pandemy in the period of social isolation in Brazil? What could be interesting to share with friends from many parts of the World? What experiences could inspire other actions? And create connections? At least, what does my specific place allow me to see, but also hinders me to see? In this text we propose to think about what happens when nature is taken into account in the formulation of a new solidarity. The animal that accompanies us on this journey, which we found on the path of this reflection, is the Tatu, a little animal that lives in South America, which constructs deep holes in  the soil. In these holes, that are fresh of humidity, the Tatu lives and creates the conditions of protection and survival for many other animals that need help to scape from the fire that destroy the life in the Forest. And if they all survive, it is because they work together.