Epub 2017 Mar 17. The head of the femur is additionally supplied by the foveal artery, which originates from the obturator artery. There is a small contribution from the superior and inferior gluteal arteries. The foveal artery runs in the ligamentum teres of the acetabulum. The retinacular branches arise from that anastomosis, supplying the neck. This disruption causes an interruption to the blood flow to the largest part of the dome despite adequate healing of the fracture, and results into necrosis and late collapse of … Arteries of Femoral Head and Neck Anatomy Retinacular arteries (subsynovial), Superior, Anterior, Inferior, Anterior view, Anastomosis between medial and lateral circumflex femoral arteries, Ascending, Transverse, Descending branches of Lateral circumflex femoral artery lliofemoral (Y) ligament and joint capsule lliopsoas tendon, Medial circumflex femoral artery, Profunda … It is a continuation of the external iliac artery (terminal branch of the abdominal aorta). The femoral head receives arterial blood flow from an anastomosis of three sets of arteries: (1) the retinacular vessels, primarily from the medial circumflex femoral artery and, to a lesser extent, the lateral circumflex femoral artery; (2) terminal. The epiphysis and metaphysis have their own blood supply, and the arteries … ARTERIAL SUPPLY TO THE HEAD OF THE FEMUR 535 of infants and children and in 70 per cent of adults, while the upper capsular branch is invariably present at all ages.WOLCOTT (1943) found the ligamentum teres artery to be present in 80 per cent of his specimens. retinacular artery, branch of the circumflex artery at the upper border of the femoral neck by the fracture. A constant branch arising from the transverse MFCA (inferior retinacular artery; IRA) penetrates the capsule at the level of the anteroinferior neck, then courses obliquely within the fibrous prolongation of the capsule wall (inferior retinacula of Weitbrecht), elevated from the neck, to the posteroinferior femoral head-neck junction. fully by the inferior retinacular artery. The external iliac becomes the femoral artery when it crosses under the inguinal ligament and enters the femoral triangle. The artery of the ligamentum teres may supply the head of the femur; but, in most subjects, it is absent or less important than the superior retinacular arteries, which are the most important arteries to the head of the femur. The main artery of the lower limb is the femoral artery. 1 Photograph shows a femoral head inferior retinacular artery that was dissected and exposed. Epiphyseal Arterial Network and Inferior Retinacular Artery Seem Critical to Femoral Head Perfusion in Adults With Femoral Neck Fractures Clin Orthop Relat Res. 2017 Aug;475(8):2011-2023. doi: 10.1007/s11999-017-5318-5. The inferior retinaculars are of subsidary importance.The medial femoral circumflex may give rise to a perforating artery. Retinacular arteries (subsynovial), Superior, Anterior, Inferior, Anterior view, Anastomosis between medial and lateral circumflex femoral arteries, Ascending, Transverse, Descending branches of Lateral circumflex femoral artery lliofemoral (Y) ligament and joint capsule lliopsoas tendon, Medial circumflex femoral artery, Profunda femoris (deep femoral) artery, Nutrient artery of … In the absence of deep branch of MFCA, the IGA via the piriformis branch, may be a dominant vessel supplying the femoral head.. d. Artery of ligamentum teres (Enter through fovea capitis) It usually arises from obturator artery and occasionally from MFCA.. Continues as medial epiphyseal artery.. TRUETA et coll. Micro-CT scanning and arterial 3-D reconstructions were performed, displaying the epiphyseal arterial network structure above the epiphy-seal scar and the fine vascular branches of the epiphyseal Fig. (1953), who studied anatomic specimens from adults micro-roentgenographically stated that the artery …
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