The word "ASRA" is spelled with four letters and two syllables. Phonetically, the word is pronounced as [æs.rə]. The first syllable "as" is pronounced with the short vowel "a" sound, as in "cat" or "hat." The second syllable "ra" is pronounced with the short "e" sound, as in "red" or "bed," and then followed by the schwa sound, represented by the symbol ə. The combination of these sounds creates the distinctive pronunciation of this unique word.
ASRA stands for Anterior Spinal Artery. It is a medical term referring to a major blood vessel responsible for supplying oxygenated blood to the anterior portion of the spinal cord. The anterior spinal artery arises from branches of the vertebral arteries, which are themselves derived from the subclavian arteries. Located on the ventral surface of the spinal cord, the ASRA runs along the median longitudinal fissure in close proximity to the anterior spinal veins.
This artery plays a crucial role in maintaining the health and function of the spinal cord. It provides nourishment and oxygen to the anterior or front part of the spinal cord, which is responsible for transmitting motor signals and controlling movement. The blood supplied by the ASRA also carries vital nutrients, such as glucose and amino acids, which are essential for the metabolic processes required for cellular function in this region.
Damage or blockage to the ASRA can have serious consequences, potentially leading to a condition known as anterior spinal artery syndrome. This syndrome is characterized by a sudden onset of paralysis and loss of sensation in the affected area, usually occurring below the level of the damage. It is often associated with other symptoms such as loss of bladder control and impaired vascular regulation.
In summary, ASRA refers to the anterior spinal artery, a critical blood vessel that supplies the front portion of the spinal cord with oxygenated blood, nutrients, and functional capability.