Bird Families

White Hemp / Conopias parvus

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Just like on the upper limb, veins of the lower extremity are divided into deep and superficial, or subcutaneous, which pass independently of the arteries.

Deep veins of the foot and lower legs are double and accompany the arteries of the same name. V. poplitea, which is composed of all the deep veins of the lower leg, is a single trunk located in the popliteal fossa posteriorly and somewhat laterally from the artery of the same name.

V. femoralis single, at first it is located laterally from the artery of the same name, then gradually passes to the posterior surface of the artery, and even higher to its medial surface and in this position passes under the inguinal ligament in lacuna vasorum... Tributaries v. femoralis all double.

From the saphenous veins of the lower limb the largest are two trunks: v. saphena magna and v. saphena parva... Vena saphena magna, great saphenous vein of the leg, originates on the dorsal surface of the foot from rete venosum dorsale pedis and arcus venosus dorsalis pedis... Having received several tributaries from the side of the sole, it goes up the medial side of the lower leg and thigh.

In the upper third of the thigh, it bends to the anteromedial surface and, lying on the wide fascia, goes to the hiatus saphenus. In this place v. saphena magna flows into the femoral vein, spreading over the lower horn of the crescent edge. Often v. saphena magna can be double, and both of its trunks can be infused separately into the femoral vein.

From other saphenous tributaries of the femoral vein, mention should be made of v. epigastrica superficialis, v. circumflexa ilium superficialis, vv. pudendae externae accompanying the arteries of the same name. They flow partly directly into the femoral vein, partly into v.saphena magna at its confluence in the area of ​​hiatus saphenus.

V. saphena parva, small saphenous vein of the leg, begins on the lateral side of the dorsal surface of the foot, bends around the bottom and back of the lateral ankle and rises further along the posterior surface of the lower leg, first it goes along the lateral edge of the Achilles tendon, and then up in the middle of the posterior part of the leg, corresponding to the groove between heads m. gastrocnemii.

Reaching the lower corner of the popliteal fossa, v. saphena parva flows into the popliteal vein. V. saphena parva connects branches with v. saphena magna.

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