Anatomy of the veins of both arms

As for the scapular vein, that is, the mullet, first of all it branches off when it passes opposite the humerus, a branch that diverges in the skin and in the outer parts of the humerus. Then, near the elbow joint, it is divided into three parts. One of them is the forearm "rope". It stretches along the outer side of the upper “flint”, then goes outward, deviating towards the convexity of the lower “flint”, and diverges along the lower sections of the outer parts of the wrist. The second part goes to the bend of the elbow on the outside of the forearm and merges with a branch of the axillary vein; from these two veins the “black” vein is formed. And the third part goes deep and merges in the depths with a branch, also coming from the axillary vein.

As for the axillary vein, at the first branching this vein is divided into branches that go deeper into the arm, diverge in the muscles lying there and all disappear, except for one branch that reaches the forearm. When the axillary vein comes close to the elbow joint, it splits into two veins. One of them goes deeper and connects with the deepened branch of the mullet.

They pass side by side for a little while, then separate, and one of the separated parts goes down and inward until it reaches the little finger, the ring finger, and half of the middle finger.

Part of the vein rises and divides in the outer areas of the arm that come into contact with the bone.

The second part of the axillary vein branches at the forearm into four branches. One of them divides in the lower parts of the forearm, reaching the wrist; the second is divided above the place where the first was divided, but in the same way as this first part was divided. The third is divided in the same way in the middle of the forearm.

The fourth part is larger than all of them. It is the one that comes out, rises and sends out branches that gather to form one of the branches of the mullet; from them a “black” vein is created. The remainder of this part of the axillary vein is basil. It also rises, then sinks and goes deeper.

The “black” vein starts from the inside and rises above the upper “flint”; then it goes outward and divides into two branches in the form of the letter lam among the Greeks.

Its upper part goes to the end of the upper “flint”, goes towards the metacarpus and diverges behind the thumb, between the thumb and forefinger and in the index finger. And its lower part goes to the end of the lower “flint” and is divided into three branches. One of these branches is directed to the place lying between the middle and index fingers, and adjoins the branch of the vessel going to the index finger from the upper part, connecting with it into one vessel.

The second branch departs from this part, that is, the small saving vein, which diverges between the middle and ring fingers. The third branch extends to the ring and little fingers, and they all separate at the fingers.