应用新鲜成人尸体,墨汁灌注。将臂外侧皮瓣分为九个区,每区各取两个组织块,按常规固定、包埋、切片(纵、横切)。在显微镜下观察,皮瓣血管网共分五层,即:乳头层、乳头下层、真皮深层、浅筋膜层和深筋膜层网。并对各层血管网的网眼内径和构成血管网的周围血管口径作了测量。 Apply fresh adult body, ink infusion. The lateral arm flap is divided into nine zones, each taking two tissue blocks, according to the conventional fixed, embedded, sliced ​​(longitudinal, transverse). Observed under a microscope, flap vascular network is divided into five layers, namely: the nipple layer, the lower nipple, dermal deep, superficial fascia and deep fascia layer network. The inner diameter of each layer of the vascular network and the diameter of the surrounding blood vessels constituting the vascular network were measured.