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The pyramidalis muscle is present in 80% of human population. It may be absent on one or both sides; the lower end of the rectus then becomes proportionately increased in size.
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Superiorly, the fleshy portion of the pyramidalis muscle passes upward, diminishing in size as it ascends, and ends by a pointed extremity which is inserted into the
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Occasionally, it is doubled on one side, and the muscles of the two sides are sometimes of unequal size. It may also extend higher than the usual level.
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Shapiro, L. E.; Kim, J. H.; Lee, S. J.; Yoo, J. J.; Atala, A.; Ko, I. K. (2016-01-01), Lee, Sang Jin; Yoo, James J.; Atala, Anthony (eds.),
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The pyramidalis muscle is part of the anterior abdominal wall. Inferiorly, the pyramidalis muscle attaches to the
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at the SUNY Downstate
Medical Center - "Anterior Abdominal Wall: The Pyramidalis Muscle"
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Right hip bone viewed from outside, showing a small line where the pyramidalis attaches
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Muscles at the front of the abdomen, showing the pyramidalis at the bottom centre.
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The pyramidalis muscle is innervated by the ventral portion of
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While making the longitudinal incision for a classical
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342:"Chapter 16 - In Situ Volumetric Muscle Repair"
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77:Inferior and superior epigastric arteries
375:"7 Vestigial Features of the Human Body"
265:supply blood to the pyramidalis muscle.
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16:Small triangular muscle in the abdomen
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410:at the SUNY Downstate Medical Center
647:Crura of superficial inguinal ring
284:The pyramidalis muscle tenses the
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263:superior epigastric arteries
346:In Situ Tissue Regeneration
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540:Abdominal internal oblique
491:Abdominal external oblique
162:Anatomical terms of muscle
637:Superficial inguinal ring
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402:Anatomy photo:35:11-0100
379:Encyclopedia Britannica
220:anterior pubic ligament
190:, and contained in the
188:rectus abdominis muscle
878:Puboprostatic ligament
594:Interfoveolar ligament
530:Tendinous intersection
182:is a small triangular
834:Rectoprostatic fascia
292:Clinical significance
229:, midway between the
915:Muscles of the torso
873:Pubovesical ligament
496:Transverse abdominal
119:musculus pyramidalis
829:Rectovaginal fascia
565:Panniculus adiposus
206:in two places: the
745:Iliopectineal arch
702:Quadratus lumborum
669:Reflected ligament
659:Pectineal ligament
642:Intercrural fibers
632:Deep inguinal ring
408:Anatomy image:7283
288:when contracting.
186:, anterior to the
180:pyramidalis muscle
22:Pyramidalis muscle
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890:Anococcygeal body
856:Piriformis fascia
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654:Inguinal ligament
622:Inguinal triangle
606:Linea semilunaris
589:Transverse fascia
453:and ligaments of
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308:Additional images
298:caesarean section
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846:Obturator fascia
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664:Lacunar ligament
582:Fascia of Scarpa
577:Membranous layer
570:Fascia of Camper
560:Abdominal fascia
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513:Rectus abdominis
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793:Puborectalis
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523:Arcuate line
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382:. Retrieved
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253:Blood supply
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241:Nerve supply
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131:A04.5.01.007
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100:Tensing the
778:Levator ani
717:Psoas minor
712:Psoas major
518:Pyramidalis
212:pubic crest
108:Identifiers
54:pubic crest
601:Linea alba
384:2017-11-09
361:2021-01-23
327:References
302:linea alba
286:linea alba
227:linea alba
102:linea alba
66:Linea alba
825:Visceral
800:Coccygeus
707:Iliopsoas
688:Posterior
535:Cremaster
475:Anterior/
269:Variation
231:umbilicus
198:Structure
61:Insertion
909:Category
841:Parietal
615:Inguinal
280:Function
259:inferior
218:and the
722:Iliacus
477:lateral
455:abdomen
451:Muscles
96:Actions
39:Details
814:Fascia
771:Muscle
763:Pelvis
733:Fascia
695:Muscle
549:Fascia
484:Muscle
459:pelvis
352:
204:pelvis
184:muscle
73:Artery
45:Origin
863:Floor
235:pubis
216:pubis
166:[
155:15568
114:Latin
90:(T12)
83:Nerve
457:and
350:ISBN
261:and
257:The
233:and
210:and
178:The
143:2363
126:TA98
52:and
247:T12
150:FMA
138:TA2
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443:e
436:t
429:v
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170:]
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
