Development of the external anal sphincter with special reference to intergender difference: Observations of mid-term fetuses (15-30 weeks of gestation)

Okajimas Folia Anatomica Japonica

Volumn 87, Issue 2, 2010, Pages 49-58

  Arakawa, Takashi ^a   Hayashi, Shogo ^b   Kinugasa, Yusuke ^c   Murakami, Gen ^d   Fujimiya, Mineko ^e  

^a Arakawa Clinic   (Japan)

^b AICHI MEDICAL UNIVERSITY SCHOOL OF MEDICINE   (Japan)

^c Shizuoka Cancer Hospital   (Japan)

^d Iwamizawa Kojin kai Hospital   (Japan)

^e SAPPORO MEDICAL UNIVERSITY SCHOOL OF MEDICINE   (Japan)

Author keywords

Bulbospongiosus; External anal sphincter; Human embryology; Intergender difference; Levator ani

Indexed keywords

ANAL CANAL; ARTICLE; COMPARATIVE STUDY; FEMALE; FETUS; HISTOLOGY; HUMAN; MALE; MUSCLE DEVELOPMENT; PERINEUM; PREGNANCY; PRENATAL DEVELOPMENT; SECOND TRIMESTER PREGNANCY; SEXUAL DEVELOPMENT; SMOOTH MUSCLE;

ANAL CANAL; FEMALE; FETUS; HUMANS; MALE; MUSCLE DEVELOPMENT; MUSCLE, SMOOTH; PERINEUM; PREGNANCY; PREGNANCY TRIMESTER, SECOND; SEX CHARACTERISTICS;

EID: 77958164252     PISSN: 0030154X     EISSN: None     Source Type: Journal    
DOI: 10.2535/ofaj.87.49     Document Type: Article

References (32)

1. Arakawa T, Murakami G, Nakajima F, et al. Morphologies of the interfaces between the levator ani muscle and pelvic viscera, with special reference to muscle insertion into the anorectum in elderly Japanese. Anat Sci Int 2004;79:72-81. (Pubitemid 38923320)
2. Bourdelat D, Muller F, Droullé P and Barbet JP. Anatomical and sonographical studies on the development of fecal continence and sphincter development in human fetuses. Eur J Pediatr Surg 2001;11:124-130. (Pubitemid 32385650)
3. Fritsch H, Aigner F, Ludwikowski B, et al. Epithelial and muscular regionalization of the human developing anorectum. Anat Rec 2007;290:1449-1458. (Pubitemid 350072272)
4. Fritsch H, Brenner E, Lienemann A and Ludwikowski B. Anal sphincter complex: reinterpreted morphology and its clinical relevance. Dis Colon Rectum 2002;45:188-194. (Pubitemid 34141941)
5. Fritsch H and Fröhlich B. Development of the levator ani muscle in human fetuses. Early Human Dev 1994;37:15-25. (Pubitemid 24149741)
6. Fröber R, Krebs U, Haas A, Fischer MS, Schier F and Linss W. Three-dimensional reconstruction of the anal striated musculature in a human fetus. Cells Tissues Organs 2001;169:152-157. (Pubitemid 32588798)
7. Johnson FP. The development of the rectum in the human embryo. Am J Anat 1914;16:1-57.
8. Kato M, Matsubara A, Murakami G, et al. Female perineal membrane: a study using pelvic floor semiserial sections from elderly nulliparous and multiparous women. Int Urogynecol J 2008;19:1663-1670.
9. Kieny M, Pautou MP, Chevallier A and Mauger A. Spatial organization of the developing limb musculature in birds and mammals. Bibl Anat 1986;29:65-90.
10. Krauel L, Tarrado X, Garcia-Aparico L, et al. Median raphe cysts of the perineum in children. Urology 2008;71:830-831.
11. Levi AC, Borghi F and Garavoglia M. Development of the anal canal muscles. Dis Colon Rectum 1991;34:262-266.
12. Macchi V, Porzionato A, Stecco C, Vigato E, Parenti A and de Caro R. Histo-topographic study of the longitudinal anal muscle. Clin Anat 2008;21:447-452. (Pubitemid 351976915)
13. Murphy F, Puri P, Hutson JM and Holschneider AM. Incidence and frequency of different types, and classification of anorectal malformations. In: Holschneider AM, Hutson JM (eds) Anorectal Malformations in Children. Springer, Berlin, 2006;163-184.
14. Nakajima F, Takenaka A, Uchiyama E, Hata F, Suzuki D and Murakami G. Macroscopic and histotopographic study of the deep transverse perineal muscle (musculus transversus perinei profundus) in elderly Japanese. Ann Anat 2007;189:65-74. (Pubitemid 46044009)
15. Niikura H, Okamoto S, Nagase S, et al. Fetal development of the human gubernaculum with special reference to the fasciae and muscles around it. Clin Anat 2008;21:547-557.
16. Oelrich TM. The urethral sphincter muscle in the male. Anat Rec 1980;158:229-246. (Pubitemid 10056750)
17. Oh C and Kark AE. Anatomy of the external anal sphincter. Br J Surg 1972;59:717-723.
18. Rociu E, Stoker J, Eijkemans MJC and Laméris JS. Normal anal sphincter anatomy and age-and sex-related variations at highspatial-resolution endoanal MR imaging. Radiol 2000;217:395-401.
19. Sasaki C, Yamaguchi K and Akita K. Spatiotemporal distribution of apoptosis during normal cloacal development in mice. Anat Rec 2004;279 A: 761-767. (Pubitemid 39038469)
20. Sato K. A morphological analysis of the nerve supply of the sphincter ani externus, levator ani and coccygeus. Acta Anat Nippon 1980;55:187-223. (Pubitemid 10054545)
21. Scelwyn M. Median raphe cyst of the perineum presenting as a perineal polyp. Pathology 1996;28:201-202. (Pubitemid 27182767)
22. Soga H, Nagata I, Murakami G, et al. A histotopographic study of the perineal body in elderly women: the surgical applicability of novel histological fndings. Int Urogynecol J 2007;18:1423-1430. (Pubitemid 350066276)
23. Soga H, Takenaka A, Murakami G and Fujisawa M. Topographical relationship between urethral rhabdosphincter and rectourethralis muscle: a better understanding of the apical dissection and the posterior stitches in radical prostatectomy. Int J Urology 2008;15:729-732.
24. Stelzner F. Die anorectalen Fisteln. 3rd ed. Springer, New York: Berlin, 1981;15-16.
25. Stephens FD. Photographic album of anorectal malformations and the sphincter muscles. In: Holschneider AM, Hutson JM (eds) Anorectal Malformations in Children. Springer, Berlin, 2006;87-142.
26. Uchimoto K, Murakami G, Kinugasa Y, Arakawa T, Matsubara A and Nakajima Y. Rectourethralis muscle and pitfalls in anterior perineal dissection abdominoperineal resection and intersphincteric resection for rectal cancer. Anat Sci Int 2007;82:8-15. (Pubitemid 46231943)
27. Valasek P, Evans DJ, Maina F, Grim M and Patel K. A dual fate of the hindlimb muscle mass: cloacal/perineal musculature develos from leg muscle cells. Development 2005;132:447-458. (Pubitemid 40277686)
28. van der Putte SC. The development of the perineum in the human. A comprehensive histological study with a special reference to the role of the stromal components. Adv Anat Embryol Cell Biol 2005;177:1-131.
29. van der Putte SC. Anal and ano-urogenital malformations: a histopathological study of "imperforate anus" with a reconstruction of the pathogenesis. Pediatr Develop Pathol 2006;9:280-296. (Pubitemid 44289925)
30. van der Putte SC. The development of the human anorectum. Anat Rec 2009;292:951-954.
31. Wallner C, van Wissen J, Maas CP, Dabhoiwala NF, DeRuiter MC and Lamers WH. The contribution of the levator ani nerve and the pudendal nerve to the innervations of the levator ani muscle; a study in human fetuses. Eur Urol 2008;54:1136-1144.
32. Yamaguchi K, Kiyokawa J and Akita K. Developmental process and ectodermal contribution to the anal canal in mice. Ann Anat 2008;190:119-128.