Abdomen

Muscles in the Abdomen region

34 entries

All Types 34 Muscles 34 Tendons 20 Ligaments 65 Nerves 20 Bursae 20 Joints 20 Vessels 52

34 entries · Muscles

Muscle Bowel Muscularis Propria tunica muscularis propria intestini Abdomen The muscularis propria of the intestine is the functional motor apparatus of the gut, consisting of… Muscle Bulbocavernosus (Female) musculus bulbospongiosus (femininus) Abdomen The female bulbocavernosus (bulbospongiosus) lies on either side of the vaginal orifice, encircling it and inserting… Muscle Cremaster musculus cremaster Abdomen The cremaster is a thin layer of skeletal muscle derived from the internal oblique that forms… Muscle Cremaster Detail musculus cremaster detail Abdomen The cremaster is a continuation of the internal oblique muscle, wrapping around the spermatic cord and… Muscle Crural Diaphragm pars lumbalis diaphragmatis (crura) Abdomen The crural diaphragm refers specifically to the lumbar (posterior) portion of the diaphragm formed by the… Muscle Dartos Muscle musculus dartos scroti Abdomen The dartos is a smooth muscle layer (not skeletal muscle) in the superficial scrotal fascia, innervated… Muscle Detrusor Muscle musculus detrusor vesicae Abdomen The detrusor is the smooth muscle of the bladder wall responsible for both bladder storage (by… Muscle External Anal Sphincter Detail musculus sphincter ani externus detail Abdomen The external anal sphincter is the voluntary component of anal continence, producing the squeeze pressure measured… Muscle External Oblique musculus obliquus externus abdominis Abdomen The external oblique is the largest and most superficial of the flat abdominal muscles, with fibres… Muscle External Oblique Detail musculus obliquus externus abdominis detail Abdomen The outermost flat abdominal muscle with fibres running inferomedially. Its lower edge forms the inguinal ligament… Muscle External Urethral Sphincter Detail musculus sphincter urethrae externus detail Abdomen The external urethral sphincter is the voluntary component of urinary continence, under pudendal nerve control. In… Muscle Gallbladder Muscularis tunica muscularis vesicae biliaris Abdomen The gallbladder muscularis is the smooth muscle coat that enables gallbladder contraction to expel bile. Unlike… Muscle Iliacus Detail musculus iliacus detail Abdomen Iliacus fills the iliac fossa and is the broader, fan-shaped component of the iliopsoas. Unlike psoas… Muscle Iliococcygeus Detail musculus iliococcygeus detail Abdomen The iliococcygeus is the posterior and more horizontal part of the levator ani, forming a shelf… Muscle Internal Anal Sphincter (Abdominal Component) musculus sphincter ani internus Abdomen The internal anal sphincter (IAS) is the involuntary smooth muscle ring surrounding the anal canal for… Muscle Internal Anal Sphincter Detail musculus sphincter ani internus detail Abdomen The internal anal sphincter is a smooth muscle thickening providing the majority of resting anal tone.… Muscle Internal Oblique musculus obliquus internus abdominis Abdomen The internal oblique has fibres running roughly perpendicular to the external oblique, with most fibres directed… Muscle Internal Oblique Detail musculus obliquus internus abdominis detail Abdomen The middle flat abdominal muscle with fibres perpendicular to the external oblique. Its lowest fibres arch… Muscle Levator Ani (Abdominal Component) m. levator ani (pars abdominalis) Abdomen The levator ani as an abdominal (pelvic floor) muscle forms the diaphragm of the pelvic cavity,… Muscle Lower Esophageal Sphincter musculus sphincter oesophagi inferior Abdomen The lower esophageal sphincter (LES) is a functional sphincter formed by the intrinsic circular smooth muscle… Muscle Psoas Major Abdominal Portion musculus psoas major (pars abdominalis) Abdomen The abdominal (lumbar) portion of psoas major occupies the retroperitoneal space lateral to the lumbar vertebral… Muscle Psoas Major Detail musculus psoas major detail Abdomen Psoas major originates along the entire lumbar spine, making it unique in spanning from thoracolumbar junction… Muscle Pubococcygeus Detail musculus pubococcygeus detail Abdomen The pubococcygeus is the anterior part of the levator ani, the most consistently described component. It… Muscle Puborectalis (Abdominal Component) musculus puborectalis Abdomen The puborectalis is the innermost component of the levator ani, forming a U-shaped sling around the…

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