Some people with chest pain have normal or minimal narrowing of heart arteries; in these patients, vasospasm is a more likely cause for the pain, sometimes in the context of Prinzmetal's angina and syndrome X.
You are here. Pure Live Seed. Pure live seed (PLS) is a measure used by the seed industry to describe the percentage of a quantity of seed that will germinate. PLS is obtained by multiplying the purity percentage by the percentage of total viable seed, then dividing by 100.
Right: whole seed with hull. The sunflower seed is the fruit of the sunflower (Helianthus annuus). The term sunflower seed is actually a misnomer when applied to the seed in its pericarp (hull).Botanically speaking, it is a cypsela. When dehulled, the edible remainder is called the sunflower kernel or heart. There are three types of commonly used sunflower seeds: linoleic (most common), high oleic, and NuSun.ight: whole seed with hull. The sunflower seed is the fruit of the sunflower (Helianthus annuus). The term sunflower seed is actually a misnomer when applied to the seed in its pericarp (hull).