The phrase "a second spiral of" is correct and usable in written English.
It can be used when describing a subsequent or additional cycle or phase of something that is spiraling or evolving in nature.
Example: "The research revealed a second spiral of development in the species' adaptation to its environment."
Alternatives: "an additional cycle of" or "a further loop of".
In addition, we propose the existence of a second "steeper" spiral, for which initiation of drug taking occurs to alleviate self-perceived symptoms of (stress-related) psychiatric disorders.
We followed the recommendations of the French Society of Neuroradiology [21] for the CTA protocol, with an initial spiral acquisition without contrast medium, a second scanning spiral 20 s after the injection of contrast medium to assess intravenous injection, and a final phase 60 s after the injection to study the opacification of the cerebral vessels.
The prospect of a second downward spiral _ though so far Afghanistan isn't nearly as violent as Iraq _ has experts worried that Western militaries don't have an effective strategy for these irregular wars.
A second contraction could be worse than the first, bringing a downward spiral of falling wages, falling prices and even higher unemployment.
This, in turn, accelerates the economic death spiral as a second round of unemployed and underemployed people can no longer afford their mortgage payments.
This means that the outer flowers bloom first, with a progressive spiral of flowering toward the centre of the head.
Hip fractures caused by osteoporosis are often the first step in a downward spiral of lost ambulation and independence, institutionalization, and secondary medical morbidity and mortality.
The classical view is that this process occurs in two stages: (1) the transformation of the decidual segment of the spiral arteries by a "first wave" of endovascular trophoblast migration in the first trimester; and (2) the transformation of the myometrial segments of the spiral arteries in the second trimester by a "second wave" of trophoblast [ 54].
Crucially, the number of arms in the third spiral always equals the sum of the arms of the first two in order to minimize stress, they found.
Barba won the 2012 Dally M medal and led Canterbury to the grand final before his career first spiralled out of control.
