accessory cephalic vein
Definition
Noun: 1. A tributary vein of the forearm: The accessory cephalic vein is a superficial vein that runs along the radial (thumb) side of the forearm. It typically drains into the cephalic vein near the elbow joint.
Usage
The term is used in specific anatomical contexts to describe a common but variable vein in the upper limb. * During the dissection, the medical students identified the accessory cephalic vein on the lateral aspect of the cadaver's forearm. * The phlebotomist noted that the patient had a prominent accessory cephalic vein, which could serve as an alternative site for venipuncture.
Advanced Usage
- Anatomical Variation: The presence, size, and exact course of the accessory cephalic vein can vary significantly between individuals. It is sometimes referred to in clinical notes when describing venous patterns for surgical planning or vascular access.
- Pre-operative ultrasound revealed a dominant accessory cephalic vein, which was considered for the arteriovenous fistula creation.
Variants and Related Words
- Cephalic Vein (n.): The primary superficial vein of the lateral upper limb into which the accessory cephalic vein usually drains.
- Vena cephalica accessoria (n.): The Latin equivalent term used in formal anatomical nomenclature.
Synonyms
- Superficial accessory cephalic vein: A more descriptive synonym occasionally used to emphasize its location in the superficial fascia.
- Radial accessory vein: An informal term referencing its common course along the radial side of the forearm.
Noun
-
a vein that passes along the radial edge of the forearm and joins the cephalic vein near the elbow
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