O

All anatomy entries starting with "O"

133 entries

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133 entries

Brain Structure Obex obex Head & Skull The obex is the point at the lower tip of the fourth ventricle where it narrows…

Muscle Oblique Arytenoid Muscle musculus arytenoideus obliquus Neck The oblique arytenoid muscle consists of two fibres that cross over the back of the larynx…

Ligament Oblique Cord of the Forearm chorda obliqua antebrachii Forearm The oblique cord of the forearm (chorda obliqua, also called Weitbrecht's cord) is a flat, inconstant… Also: Detail

Organ Oblique Fissure fissura obliqua Chest The oblique fissure is a deep cleft present in both lungs that separates the lower lobe…

Muscle Oblique Muscle of the Auricle musculus obliquus auriculae Head & Skull The oblique muscle of the auricle is a few short fibres on the back surface of…

Fascia or Space Oblique Pericardial Sinus sinus obliquus pericardii Chest The oblique pericardial sinus is the posterior pericardial recess behind the left atrium, bounded by the…

Ligament Oblique Popliteal Ligament ligamentum popliteum obliquum Knee The oblique popliteal ligament is an expansion of the semimembranosus tendon that fans across the posterior… Also: Detail

Ligament Oblique Retinacular Ligament ligamentum retinaculare obliquum Hand & Wrist The oblique retinacular ligament (Landsmeer ligament) runs obliquely in the finger from the volar base of…

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… Also: Detail

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… Also: Detail

Vessel Obturator Artery arteria obturatoria Pelvis & Hip The obturator artery is the primary supply to the adductor compartment muscles and provides the acetabular…

Bursa Obturator Bursa bursa musculi obturatorii externi Pelvis & Hip The obturator bursa lies between the obturator externus tendon and the posterior hip joint capsule as…

Fascia or Space Obturator Canal canalis obturatorius Pelvis & Hip The obturator canal is a 2-3 cm fibro-osseous tunnel in the superolateral corner of the obturator…

Nerve Obturator Cutaneous Branch ramus cutaneus nervi obturatorii Thigh The cutaneous branch of the obturator nerve arises from the anterior division, passing between adductor longus…

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… Also: Full overview · Detail

Tendon Obturator Externus Tendon tendo musculi obturatoris externi Pelvis & Hip The obturator externus tendon is the distal tendinous portion of the obturator externus muscle, arising from…

Fascia or Space Obturator Fascia fascia obturatoria Pelvis & Hip The obturator fascia covers the pelvic surface of obturator internus on the side wall of the…

Bone Obturator Foramen foramen obturatum Pelvis & Hip The obturator foramen is the largest foramen in the skeleton, formed by the ischium posteriorly and…

Muscle Obturator Internus musculus obturator internus Pelvis & Hip The obturator internus originates inside the pelvis on the inner surface of the obturator membrane, makes… Also: Full overview · Detail

Tendon Obturator Internus Tendon tendo musculi obturatoris interni Pelvis & Hip The obturator internus tendon takes a unique 90-degree turn around the lesser sciatic notch (which acts…

Gland Obturator Lymph Nodes nodi lymphoidei obturatorii Pelvis & Hip The obturator lymph nodes lie in the obturator fossa on the side wall of the pelvis,…

Ligament Obturator Membrane membrana obturatoria Pelvis & Hip The obturator membrane is a tough fibrous sheet that almost completely closes the obturator foramen, the… Also: Detail

Nerve Obturator Nerve nervus obturatorius Thigh The obturator nerve emerges from the medial border of the psoas, crosses the pelvic brim, and… Also: Full overview

Nerve Obturator Nerve Articular Branch ramus articularis nervi obturatorii Pelvis & Hip The obturator nerve articular branch is the most distal branch of the obturator nerve, arising within…

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