Fig. 6From: B-mode and color Doppler ultrasonography of normal external jugular vein in donkeys (Equus asinus)Triplex ultrasound scan of the left jugular vein at the upper third of the neck with a mean blood velocity of 12.01 cm/s. The spectral waveform shows turbulent blood flow. JV, Jugular vein; CCA, common carotid arteryBack to article page