First things first. It is essential to understand the meaning of collateral and recurrent arteries. Recurrent arteries turn back so as to reverse direction. Collateral…
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Anatomy
Blood Supply of Humeral Head
Anterior Humeral Circumflex Artery (AHCA) Origin: Axillary artery Course: Along the inferior border of subscapularis Gives anterolateral ascending branch which courses along lateral aspect of…
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Wrist Ligaments
a. Interosseous: Extend deeply, directly between two bones Radioscapholunate (RSL) aka Ligament of Testut (neurovascular conduit to SL ligament) Scapholunate (SL) and Lunotriquetral (UL) –…
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Muscles of Back – Simplified
A. Superficial Group (Appendicular group) Arise from vertebral column and attach to shoulder (assist in movement of limbs) a. Most superficial: Trapezius (From external occipital…
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Internal Iliac Artery Anatomy : Simplified
Origin L5-S1 (common iliac artery bifurcation; anterior to SI joint) Course Extends down and posteriorly ~4 cm until superior margin of greater sciatic foramen and…
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Ligaments of Pelvis
Inherent stability of the pelvis is provided by ligaments. The 3 groups of ligaments are: 1. Sacrum to Pelvis: Sacroiliac ligamentous complex: is divided into posterior…
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Portal Vein : Tributaries and Portocaval Anastomoses
Origin: Hepatic Portal Vein is formed by the union of Splenic vein and Superior mesenteric Vein behind the neck of pancreas at L1 vertebral level. Termination: The…
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Foot muscles – Layers and Compartments
Deep to the plantar fascia, muscles of plantar foot exist in 4 different layers. Extensor digitorum brevis makes dorsal layer of foot and remaining 18…
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