Asterias - ț̢
A genus of STARFISH in the family Asteriidae. One species, Asterias rubens, is the most common in the north-east Atlantic region.
Synonyms :
Asterina - ț̢
A genus of STARFISH in the family Asterinidae. They externally hold developing embryos (EMBRYO, NON-MAMMALIAN) among the spines below the oral surface.
Synonyms : Asterina pectinifera
Asthenia - ț̢
Clinical sign or symptom manifested as debility, or lack or loss of strength and energy.
Synonyms : Asthenias
Asthenopia - ț̢
Term generally used to describe complaints related to refractive error, ocular muscle imbalance, including pain or aching around the eyes, burning and itchiness of the eyelids, ocular fatigue, and headaches.
Synonyms : Fatigue, Eye
Asthenozoospermia - ț̢
A condition in which the percentage of progressively motile sperm is abnormally low. In men, it is defined as <25% rapid motility or <50% progression in a semen sample (World Health Organization, 1992).