The phrase "absence of circulation" is correct and usable in written English.
It can be used in medical or scientific contexts to describe a lack of blood flow or movement in a particular area of the body.
Example: "The patient was diagnosed with a serious condition due to the absence of circulation in the affected limb."
Alternatives: "lack of blood flow" or "insufficient circulation".
In the absence of circulation, oxygen and nutrients would need to diffuse across the interface, a process that would be greatly limited by the available partial pressure and surface area, in accordance with Fick's law of diffusion.
A higher dose of MO3 was needed for causing fully penetrant severe phenotype with complete absence of circulation (see below for full description).
Developing zebrafish (Danio rerio) embryos survive via diffusion in the absence of circulation induced by knockdown of cardiac troponin T2 or chemical cardiac cessation.
The anabolic drive may fail due to absence of circulation, chemical signals like Bone Morphogenetic Proteins (BMPs) or cells to react to these signals [ 3].
Although a brisk normal circulation was established in all embryos at 36hpf, BDM treatment halted cardiac contraction within 15 min, causing complete absence of circulation.
Many people and cultures do not accept the concept of brain death [ 12, 13], and in Western cultures the duration of the absence of circulation before the person is dead is not well defined.
Scant data on placental lymphatic vessels have pointed to the absence of lymphatic circulation.
Other findings that are most consistent with an embolus include the presence of otherwise normal vessels, the absence of collateral circulation and the presence of multiple filling defects.
Moreover zebrafish embryos can develop normally for several days in the absence of blood circulation [15].
Classes II and III showed an absence of blood circulation, and often lacked the presence of mature hemoglobinized erythrocytes.
The broad age distribution of the cases is consistent with absence of WPV circulation for over a decade and variable coverage by vaccination services over the same period, giving rise to the potential for extensive geographic cVDPV spread.
