Gomes F B, Dujovny M, Umansky F, Berman S K, Diaz F G, Ausman J I, Mirchandani H G, Ray W J
Surg Neurol. 1986 Aug;26(2):129-41. doi: 10.1016/0090-3019(86)90365-4.
The microanatomic features of the anterior cerebral artery were studied in 30 unfixed human brains which were injected with tinted polyester resin via cannulation of the internal carotid arteries under microscopic dissection. The outer diameter, length, and number of perforating branches were measured for each of the following vessels: anterior cerebral artery (proximal A1 segment, distal A2 segment), anterior communicating artery, and recurrent artery of Heubner. The perforating branches of the proximal segment of the anterior cerebral artery penetrated the brain at the anterior perforated substance, lateral chiasm, and optic tracts. The perforating branches of the anterior communicating artery penetrated the brain at the lamina terminalis, anterior perforated substance, and medial chiasm. The first 5 mm of the distal anterior cerebral artery (A2) had perforating branches penetrating the brain at the gyrus rectus and olfactory sulcus. The recurrent artery of Heubner originated from the A2 segment of the anterior cerebral artery in 57% of the cases, from the anterior cerebral artery-anterior communicating artery junction in 35%, and from the A1 segment in 8%. The depth of the interhemispheric fissure at the genu was 36.0 +/- 0.5 mm and at the midbody of the corpus callosum, 35.0 +/- 0.5 mm. Extension of the dissection to approach the anterior communicating artery from the genu of the corpus callosum using the anterior interhemispheric route was an additional 31.7 +/- 0.7 mm. The callosal arterial supply from the anterior cerebral artery showed short callosal branches in all brain specimens and long callosal vessels in 10% of the specimens.
在30个未固定的人脑标本中,通过在显微镜下解剖经颈内动脉插管注入有色聚酯树脂,研究大脑前动脉的微观解剖特征。测量了以下各血管的外径、长度和穿支数量:大脑前动脉(近端A1段、远端A2段)、前交通动脉和Heubner回返动脉。大脑前动脉近端段的穿支在前方穿质、外侧视交叉和视束处穿入脑内。前交通动脉的穿支在终板、前方穿质和内侧视交叉处穿入脑内。大脑前动脉远端(A2)的前5mm有穿支在直回和嗅沟处穿入脑内。Heubner回返动脉在57%的病例中起源于大脑前动脉A2段,35%起源于大脑前动脉-前交通动脉交界处,8%起源于A1段。胼胝体膝部的半球间裂深度为36.0±0.5mm,胼胝体中部为35.0±0.5mm。采用经半球间前入路从胼胝体膝部延伸至前交通动脉的额外解剖长度为31.7±0.7mm。大脑前动脉的胼胝体供血在所有脑标本中均显示有短胼胝体分支,10%的标本中有长胼胝体血管。