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The concept of proximal it is used in the field of anatomy to refer to what It is near the midline of a structure or a reference point. The opposite of proximal is distal , which refers to what is separated or distanced from the middle sector of something or the reference.

It can be said, therefore, that the proximal is closer to the center Or the area of ​​union with the body . If we take into account the knees and phalanges of the feet, for example, it can be said that the knees are proximal with respect to the phalanges. Or, similarly, that the phalanges of the feet are distal with respect to the knees.

He proximal colon , meanwhile, it is formed by the initial part and the middle section of the colon (that is, the fragment of the large intestine that goes from the cecum to the beginning of the rectum). The proximal colon, therefore, includes the blind , he ascending colon and the transverse colon .

This means that the proximal colon encompasses the cecum (a kind of bag where the undigested food that comes from the small intestine is directed), the ascending colon (which develops upwards, in the right sector of the abdomen) and the transverse colon (crosses the body from the right to the left). Then the distal colon appears, consisting of the descending colon (directed downward on the left side) and the sigmoid colon (attached to the rectum).

The proximal phalanges Finally, they are the bones found in the base of the toes and hands. They start at the knuckles, whose heads are metatarsals (on the feet) and metacarps (on the hands).

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