Microanatomy of the Artery of the External Ocular Rectus Muscles: I. Origin of the Rectus Artery.

Lee, Hye Yeon; Sir, Won Seok; Chung, In Hyuk; Hong, Young Jae

Original Article

Journal of the Korean Ophthalmological Society 1992;33(12):1204-1210.
Published online December 1, 1992.

Microanatomy of the Artery of the External Ocular Rectus Muscles: I. Origin of the Rectus Artery.

Hye Yeon Lee, Won Seok Sir, In Hyuk Chung, Young Jae Hong

¹Department of Anatomy, Yonsei University College of Medicine, Korea.
²Department of Ophthalmology, Yonsei University College of Medicine, Korea.

안구곧은근육에 분포하는 동맥의 미세해부 1 . 곧은근육동맥의 이는곳

홍영재(Young Jae Hong),이혜연(Hye Yeon Lee),정인혁(In Hyuk Chung),서원석(Won Seok Sir)

Abstract

Intactness of arterial supplies is necessary for the external ocular muscles to move properly, however the anatomy of the ocular muscular arteries has not been clarified Therefore, 80 orbits of Koreans were dissected under the surgical microscope and the origins of the rectus arteries were observed. The average numbers of the arising site of the artery to the superior rectus, the lateral rectus, the medial rectus, and the inferior rectus were 1.7, 1.2, 2.2 and 1.1, respectively. The superior rectus artery arose from the superolateral muscular artery in 33.3%. The lateral rectus artery arose from the superolateral muscular arterey in 43.8%, from the inferior muscluar artery in 24.8%. The medial rectus artery arose from the inferior muscular artery in 43.1%, from the superomedial musculal artery in 16.8% and from the ophthalmic artery as a solitary branch in 32.9%. The inferior rectus artery arose from the inferior muscular artery in 83.1% and from the inferolateral muscular artery in 13.5%.

Key Words: Rectus muscle of orbit;Rectus muscular artery;Site of ofigin of rectus muscular artery