Anatomia da cavidade bucofaringeana de Sorubim trigonocephalus (Siluriformes, Osteichthyes)

Leonardo da Vinci: Il Trattato della Anatomia

Outstanding as were Leonardo da Vinci's achievements in anatomy it is well known that he never completed his studies in the subject. Although he tells us that he filled 120 books of anatomy none of these was published. The contents of these books are scattered throughout the various manuscripts many of which are at Windsor Castle. This present large work in three volumes, undertaken under the d...

Trophic ecomorphology of Siluriformes (Pisces, Osteichthyes) from a tropical stream.

The present study analysed the relationship between morphology and trophic structure of Siluriformes (Pisces, Osteichthyes) from the Caracu Stream (22º 45' S and 53º 15' W), a tributary of the Paraná River (Brazil). Sampling was carried out at three sites using electrofishing, and two species of Loricariidae and four of Heptapteridae were obtained. A cluster analysis revealed the presence of th...

Anatomia das redes no âmbito da Web social

This paper proposes an anatomy of social networks, discussing essential aspects and metrics. Fundamental concepts of social networks, a basic terminology and an extension are presented. Graphs, actors, channel of communication, relationship, or link, network density, types of centrality (degree, closeness, betweeness) and lambda set are described, as well as scale-free and small worlds models. ...

Elementos de Teoria da Informação

Tratamento Da Doença De Alzheimer

The present recommendations and suggestions on “Treatment of Alzheimer’s Disease” were elaborated by a work group constituted by participants of the IV Meeting of Researchers on Alzheimer’s D isease and Related Disorders, sponsored by the Scientific Department of Cognitive Neurology and Aging of the Brazilian Academy of Neuro l o g y. They comprise topics on pharmacological and non-pharm a c o ...