Definition

Noun: * A vein that drains blood from the sacral region (the triangular bone at the base of the spine, formed from fused vertebrae and situated between the two hip bones).

Usage

This is a specific anatomical term. It is used in medical, biological, and anatomical contexts to describe a particular blood vessel. * The vena sacralis is part of the venous drainage system for the lower spine and pelvic area. * During the dissection, the surgeon carefully identified the vena sacralis to avoid accidental injury.

Advanced Usage

• The term is often used in its plural form, venae sacrales, when referring to the network of these veins in the region.
• It is frequently mentioned in relation to the sacral venous plexus, a network of veins it contributes to or drains from.

Variants and Related Words

• Venae sacrales (plural noun): The veins of the sacral region.
• Sacral vein: A common English synonym.
• Middle sacral vein (vena sacralis mediana): A specific, typically unpaired, vein running down the midline of the sacrum.
• Lateral sacral veins (venae sacrales laterales): Paired veins that run alongside the sacrum.

Synonyms

• Sacral vein

Different Meanings

This term has only one specific meaning in modern English: the anatomical structure described above. It is not used idiomatically or in non-scientific contexts.

Noun

1. vein of the sacral region