The Muscular lacuna (Latin: lacuna musculorum) is the lateral compartment inferior to the inguinal ligament, for the passage of the iliopsoas muscle and femoral nerve; it is separated by the iliopectineal arch from the vascular lacuna.
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List of muscles of abdominopelvic cavity (TA A04.5, GA 4.408)
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Abdomen/
wall |
Anterior/
lateral
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Muscle
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Abdominal external oblique · Transversus abdominis/Conjoint tendon · Rectus sheath (rectus abdominis, pyramidalis) · Arcuate line · Tendinous intersection
Cremaster · Abdominal internal oblique
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Fascia
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Fascia/abdominal fascia: panniculus adiposus (Fascia of Camper) · stratum membranosum (Fascia of Scarpa) · Transversalis fascia (Interfoveolar ligament)
Linea alba · Linea semilunaris · Inguinal triangle
Inguinal canal (Deep inguinal ring, Superficial inguinal ring, Intercrural fibers, Crura of superficial inguinal ring)
Inguinal ligament (Pectineal ligament, Lacunar ligament, Reflected ligament)
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Posterior
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Muscle
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quadratus lumborum · psoas major/psoas minor · iliacus
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Fascia
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iliopsoas fascia (Iliac fascia/Iliopectineal arch)
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| Pelvis |
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Muscle
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levator ani (iliococcygeus, pubococcygeus, puborectalis) · coccygeus
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Fascia
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fascia/pelvic fascia visceral (Rectovaginal fascia, Rectoprostatic fascia) · parietal (Obturator fascia/Tendinous arch, Piriformis fascia)
floor/diaphragm: Superior fascia of pelvic diaphragm (Pubovesical ligament, Puboprostatic ligament) · Inferior fascia of pelvic diaphragm
Anococcygeal body
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M: MUS, DF+DRCT
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anat (h/n, u, t/d, a/p, l)/phys/devp/hist
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noco (m, s, c)/cong (d)/tumr, sysi/epon, injr
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proc, drug (M1A/3)
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