Double-bellied superior rectus muscle

Satheesha B. Nayak; Surekha D. Shetty; Naveen Kumar; Ashwini P. Aithal

doi:10.1007/s00276-019-02211-0

Double-bellied superior rectus muscle

Satheesha B. Nayak, Surekha D. Shetty, Naveen Kumar, Ashwini P. Aithal

Department of Anatomy, Melaka Manipal Medical College, Manipal

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Congenital variations of extraocular muscles are rare. We report a double-bellied superior rectus muscle, observed in an adult male cadaver aged 70 years. The superior rectus muscle had two equal-sized bellies, which took separate origins from the common tendinous ring and united to form a common belly 1 cm before the insertion. Due to the duplication, the muscle extended laterally beyond the levator palpebrae superioris. Both its bellies were supplied by oculomotor nerve. To the best of our knowledge, this is the first report on doubling of the belly of the superior rectus muscle.

Original language	English
Pages (from-to)	713-715
Number of pages	3
Journal	Surgical and Radiologic Anatomy
Volume	41
Issue number	6
DOIs	https://doi.org/10.1007/s00276-019-02211-0
Publication status	Published - 01-06-2019

All Science Journal Classification (ASJC) codes

Anatomy
Surgery
Pathology and Forensic Medicine
Radiology Nuclear Medicine and imaging

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10.1007/s00276-019-02211-0

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abstract = "Congenital variations of extraocular muscles are rare. We report a double-bellied superior rectus muscle, observed in an adult male cadaver aged 70 years. The superior rectus muscle had two equal-sized bellies, which took separate origins from the common tendinous ring and united to form a common belly 1 cm before the insertion. Due to the duplication, the muscle extended laterally beyond the levator palpebrae superioris. Both its bellies were supplied by oculomotor nerve. To the best of our knowledge, this is the first report on doubling of the belly of the superior rectus muscle.",

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AU - Nayak, Satheesha B.

AU - Shetty, Surekha D.

AU - Kumar, Naveen

AU - Aithal, Ashwini P.

PY - 2019/6/1

Y1 - 2019/6/1

N2 - Congenital variations of extraocular muscles are rare. We report a double-bellied superior rectus muscle, observed in an adult male cadaver aged 70 years. The superior rectus muscle had two equal-sized bellies, which took separate origins from the common tendinous ring and united to form a common belly 1 cm before the insertion. Due to the duplication, the muscle extended laterally beyond the levator palpebrae superioris. Both its bellies were supplied by oculomotor nerve. To the best of our knowledge, this is the first report on doubling of the belly of the superior rectus muscle.

AB - Congenital variations of extraocular muscles are rare. We report a double-bellied superior rectus muscle, observed in an adult male cadaver aged 70 years. The superior rectus muscle had two equal-sized bellies, which took separate origins from the common tendinous ring and united to form a common belly 1 cm before the insertion. Due to the duplication, the muscle extended laterally beyond the levator palpebrae superioris. Both its bellies were supplied by oculomotor nerve. To the best of our knowledge, this is the first report on doubling of the belly of the superior rectus muscle.

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