TELENCEPHALON VASCULARITY IN DOG (Canis lupus f. familiaris)

Krzysztof Kirkiłło-Stacewicz, Włodzimierz Nowicki, Jan Wach

Abstract


The studies of the vascularization of the cerebrum in dog were performed on 80 cerebral hemispheres. It was found that the middle cerebral artery is the strongest vessel supplying blood to the cerebrum. The artery gets divided into ten permanent branches. Two olfactory arteries supply the region of the cerebrum located on the border between the old and the new cortex. The other eight supply the region of the new cortex: three branches aiming at the frontal lobe, two branches at the parietal lobe and three temporal branches aiming at temporal area. The frontal, parietal and temporal branches descended independently from the main trunk of the middle cerebral artery or formed a common trunk. Common trunks for respective groups of branches have been described as the rostral, dorsal and caudal middle cerebral artery. In 2.5% of cases there were two independent branches of the middle cerebral artery extending from the rostral cerebral artery.

Key words: brain arteries; dog; vascularity; variability

 

OŽILJENOST TELENCEFALONA PRI PSIH (Canis lupus f. familiaris)

Izvleček: : Študije ožiljenosti možganov pri pseh so bile izvedene na 80 možganskih poloblah. Ugotovljeno je bilo, da je srednja možganska arterija najmočnejša žila, ki dovaja kri v možgane. Arterija se razdeli na deset stalnih vej. Dve vohalni arteriji napajata predel možganov, ki se nahaja na meji med staro in novo možgansko skorjo. Ostalih osem arterij oskrbuje področje nove skorje: tri veje, ki potekajo do prednjega režnja, dve veji, ki potekata v parietalni reženj in tri temporalne veje, usmerjene v temporalno področje. Čelne, parietalne in temporalne veje so se razvejale neodvisno od glavnega debla srednje možganske arterije, ali pa so tvorile skupno deblo. Običajna debla za posamezne skupine vej so opisana kot rostralna, dorzalna in kavdalna srednja možganska arterija. V 2,5 odstotkih primerov sta obstajali dve neodvisni veji srednje možganske arterije, ki izhajata iz rostralne možganske arterije.

Ključne besede: možganske arterije; pes; ožiljenost; raznolikost


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References


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DOI: https://doi.org/10.26873/SVR-957-2020

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