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All anatomy entries starting with "O"

33 entries

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33 entries · Muscles

Muscle Oblique Arytenoid Muscle musculus arytenoideus obliquus Neck The oblique arytenoid muscle consists of two fibres that cross over the back of the larynx… Muscle Obliquus Capitis Inferior musculus obliquus capitis inferior Neck The obliquus capitis inferior is the largest of the four suboccipital muscles and the only one… Muscle Obliquus Capitis Inferior Detail musculus obliquus capitis inferior detail Neck Obliquus capitis inferior is the largest suboccipital muscle and the primary rotator of C1 on C2.… Muscle Obliquus Capitis Superior musculus obliquus capitis superior Neck The obliquus capitis superior is one of the four suboccipital muscles, forming the superolateral boundary of… Muscle Obliquus Capitis Superior Detail musculus obliquus capitis superior detail Neck Obliquus capitis superior connects C1 to the occiput, forming the superolateral boundary of the suboccipital triangle.… Muscle Obturator Externus musculus obturator externus Pelvis & Hip The obturator externus is a flat, fan-shaped muscle on the outer surface of the pelvis that… Muscle Obturator Externus (Full) musculus obturator externus Pelvis & Hip The obturator externus is the deepest external hip rotator, inserting in the trochanteric fossa deep to… Muscle Obturator Externus Detail musculus obturator externus Pelvis & Hip Obturator externus is the deepest of the short external hip rotators, passing posterior to the femoral… Muscle Obturator Externus Secondary Detail musculus obturator externus secundus detail Pelvis & Hip The obturator externus passes posterior to the femoral neck to reach the trochanteric fossa, making it… Muscle Obturator Internus musculus obturator internus Pelvis & Hip The obturator internus originates inside the pelvis on the inner surface of the obturator membrane, makes… Muscle Obturator Internus (Full) musculus obturator internus Pelvis & Hip The obturator internus makes a 90-degree turn around the lesser sciatic notch (using the bone as… Muscle Obturator Internus Detail musculus obturator internus detail Pelvis & Hip The obturator internus makes a 90-degree turn around the lesser sciatic notch (ischium), using it as… Muscle Occipitalis musculus occipitalis Head & Skull The occipitalis is the posterior belly of the occipitofrontalis muscle, pulling the scalp posteriorly. With frontalis,… Muscle Occipitofrontalis musculus occipitofrontalis Head & Skull The occipitofrontalis is the complete epicranial muscle, consisting of the frontal belly (frontalis) anteriorly and the… Muscle Omohyoid musculus omohyoideus Neck The omohyoid is a digastric muscle with two bellies and an intermediate tendon, running from the… Muscle Omohyoid Inferior Belly venter inferior m. omohyoidei Neck The inferior belly runs from the scapula to the intermediate tendon, crossing the posterior triangle. The… Muscle Omohyoid Muscle musculus omohyoideus Neck The omohyoid is a two-bellied (digastric) infrahyoid strap muscle with an inferior belly from the scapula… Muscle Omohyoid Superior Belly venter superior m. omohyoidei Neck The superior belly connects the intermediate tendon to the hyoid bone. The ansa cervicalis innervates this… Muscle Opponens Digiti Minimi musculus opponens digiti minimi Hand & Wrist The opponens digiti minimi is the deepest hypothenar muscle, inserting along the entire fifth metacarpal shaft… Muscle Opponens Digiti Minimi (Foot) musculus opponens digiti minimi pedis Foot & Ankle The opponens digiti minimi of the foot opposes the fifth metatarsal to help cup the lateral… Muscle Opponens Digiti Minimi Foot Detail musculus opponens digiti minimi pedis detail Foot & Ankle The opponens digiti minimi of the foot is the plantar counterpart to the hand muscle of… Muscle Opponens Digiti Minimi Hand Detail musculus opponens digiti minimi manus detail Hand & Wrist ODM is the deepest hypothenar muscle, wrapping the fifth metacarpal. Its loss in ulnar palsy reduces… Muscle Opponens Pollicis musculus opponens pollicis Hand & Wrist The opponens pollicis is the deepest thenar muscle and the one most responsible for the medial… Muscle Opponens Pollicis (Full) musculus opponens pollicis Hand & Wrist The opponens pollicis is the thenar muscle that produces the defining human function of precision pinch…

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