See Also: arrowhead(dictionary)
arrowhead(medicine)
Arrowhead - Archery(gambling)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Arrowhead Regional Medical Center(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
Orthomolecular medicine (orthomolecular nutritional medicine, orthomolecular therapy)(health)
medicine(1)(dictionary)
medicine man(encyclopedia)
medicine(encyclopedia)

arrowhead (medicine)


arrowhead


1. <botany> An aquatic plant of the genus Sagittaria, especially. S. Sagittifolia, named from the shape of the leaves.

2. <cell biology> Fanciful description given to the pattern of myosin molecules attached to a filament of F actin. Easier to see if tannic acid is added to the fixative. The arrowheads indicate the polarity of the filament, the barbed (attachment) end is the site of major subunit addition.