Research Article

A Preliminary Study on the Functionality of the Carotid-Vertebral Anastomotic Artery in the Regulation of Blood Flow in the Giraffe (Giraffa camelopardalis) by Duplex Ultrasound Examination

Figure 4

(a) Doppler waveform with color flow images demonstrated preferential flow in the anastomotic artery directed away from the vertebral artery towards the common carotid artery in the head upright position. (b) Visual illustration of the latex model during detailed dissection of the carotid-vertebral anastomosis with the direction of flow (yellow arrow) away from the vertebral artery (VA) towards the common carotid artery (CCA), in the head upright position.
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