[Location] Localized in the erect sitting position,on the neck, 1.5 cun apart from anterior median line of neck, between the cricoid bone's inferior border and the sternoclavicular joint's superior border. (Fig.81)
 
[Regional Anatomy] Skin→subcutaneous tissue and platysma→superficial layer of fascia propria colli and sternocleidomastoideus muscle→the deep taye of fascia propna colli and the omohyoid muscle. Superficial layer, the distribution of the transverse nerve of neck; deep layer, the thyroid.