• Thumbnail for PCO2
    pCO2, pCO2, or P CO 2 {\displaystyle P_{{\ce {CO2}}}} is the partial pressure of carbon dioxide (CO2), often used in reference to blood but also used in...
    6 KB (618 words) - 14:53, 14 April 2025
  • Thumbnail for Calcium carbonate
    air, PCO2 is around 3.5×10−4 atm (or equivalently 35 Pa). The last equation above fixes the concentration of dissolved CO2 as a function of PCO2, independent...
    80 KB (7,594 words) - 21:57, 8 June 2025
  • Thumbnail for Arterial blood gas test
    direction. Assess relation of pCO2 with pH: If pCO2 & pH are moving in opposite directions i.e., pCO2 ↑ when pH is <7.4 or pCO2 ↓ when pH > 7.4, it is a primary...
    24 KB (2,333 words) - 09:31, 24 May 2025
  • blood pH, plasma PCO2, blood base excess, and plasma bicarbonate concentrations. He focused on the relationship between plasma PCO2 and plasma bicarbonate...
    7 KB (796 words) - 22:14, 25 May 2025
  • water: [NH4]+[NH2COO]− ⇌ CO(NH2)2 + H2O Henry's law states that PCO2=KBxCO2 where PCO2 is the partial pressure of CO2 gas above the solution. KB is Henry's...
    4 KB (448 words) - 00:39, 27 May 2025
  • dioxide levels. Under most conditions, the partial pressure of carbon dioxide (PCO2), or concentration of carbon dioxide, controls the respiratory rate. The...
    14 KB (1,575 words) - 12:08, 24 May 2025
  • instead of placing the sample in a chamber with a PCO2 of 40 mmHg, the chamber is reset to a PCO2 of 60 mmHg. After equilibration, a new point is reached...
    15 KB (1,902 words) - 20:54, 25 May 2025
  • fluid. [HCO− 3] is the molar concentration of bicarbonate in the plasma. PCO2 is the partial pressure of carbon dioxide in the blood plasma. The pH of...
    21 KB (2,428 words) - 15:03, 20 November 2024
  • which regulates the arterial PO2 and PCO2. This homeostatic mechanism prioritizes the regulation of the arterial PCO2 over that of oxygen at sea level. That...
    43 KB (4,986 words) - 03:39, 26 May 2025
  • vessel pH of less than 7.20 and an umbilical artery PCO2 of 66 or higher or umbilical vein PCO2 of 50 or higher. Acid–base homeostasis Acid–base imbalance...
    11 KB (1,310 words) - 14:55, 20 November 2024
  • Thumbnail for Carotid body
    changes in pH and PCO2 (a decrease in pH and an increase in PCO2). The carotid body chemoreceptors are also sensitive to pH and PCO2, but only secondarily...
    12 KB (1,465 words) - 01:06, 25 May 2025
  • Thumbnail for Blood
    pH, partial pressure of oxygen (pO2), partial pressure of carbon dioxide (pCO2), and bicarbonate (HCO3−) are carefully regulated by a number of homeostatic...
    59 KB (6,824 words) - 02:48, 27 May 2025
  • Srirampura S. Bhagat Raj Praveen R Harinakshi Bala Rajwadi Rohith Nagesh PCO2 Film Factory Thayavva Sathvik Pavan Geetha Priya Jayashankar Talkies J U...
    63 KB (1,895 words) - 12:28, 6 June 2025
  • Thumbnail for Cretaceous
    73 °F). Atmospheric CO2 and temperature relations indicate a doubling of pCO2 was accompanied by a ~0.6 °C increase in temperature. The latter warming...
    96 KB (10,018 words) - 17:23, 3 June 2025
  • Thumbnail for Altitude sickness
    Those individuals with the lowest initial partial pressure of end-tidal pCO2 (the lowest concentration of carbon dioxide at the end of the respiratory...
    46 KB (4,914 words) - 15:22, 23 May 2025
  • Thumbnail for Carbon dioxide
    ranges or averages for partial pressures of carbon dioxide (abbreviated pCO2) Blood compartment (kPa) (mm Hg) Venous blood carbon dioxide 5.5–6.8 41–51...
    111 KB (12,710 words) - 20:16, 29 May 2025
  • Thumbnail for Respiratory acidosis
    hypoventilation thus leads to an increased pCO2 (a condition called hypercapnia). The increase in pCO2 in turn decreases the HCO−3/pCO2 ratio and decreases pH. Respiratory...
    9 KB (937 words) - 07:48, 13 April 2025
  • Thumbnail for Cretaceous–Paleogene extinction event
    Xiaoqiao; Wang, Qian; Gao, Yuan (1 March 2018). "Deccan volcanism caused coupled pCO2 and terrestrial temperature rises, and pre-impact extinctions in northern...
    197 KB (21,671 words) - 11:52, 8 June 2025
  • Forhandl., 44:191-218, 1938). In effect, the single arterial pCO2 value averages out the different pCO2 values in the different alveoli, and so makes the Bohr...
    16 KB (2,227 words) - 12:58, 2 July 2024
  • Thumbnail for Oligocene
    evidence, is a drop in atmospheric carbon dioxide levels (pCO2) during the transition. The pCO2 is estimated to have dropped just before the transition...
    73 KB (8,110 words) - 22:48, 22 May 2025
  • Thumbnail for Hypoxia (medicine)
    central chemoreceptors in the hypothalamus, increasing PO2 despite a falling PCO2[citation needed] In most tissues of the body, the response to hypoxia is...
    108 KB (11,681 words) - 04:10, 3 June 2025
  • [CO2]⁠ / ⁠Δ[DIC]/[DIC]⁠ where Δ[CO2] / [CO2] is the instantaneous change in pCO2 and Δ[DIC] / [DIC] is the instantaneous change in dissolved inorganic carbon...
    6 KB (806 words) - 13:56, 31 December 2024
  • Thumbnail for Carbon dioxide in Earth's atmosphere
    (28 November 2018). "Molecular fossils from phytoplankton reveal secular pCO2 trend over the Phanerozoic". Science Advances. 2 (11): eaat4556. Bibcode:2018SciA...
    81 KB (11,006 words) - 13:58, 8 June 2025
  • Thumbnail for Cyanobacteria
    Zemla M, Mahoney L, Chen L, Holman E, Holman HY, et al. (May 2018). "High pCO2-induced exopolysaccharide-rich ballasted aggregates of planktonic cyanobacteria...
    183 KB (18,318 words) - 09:30, 9 June 2025
  • Thumbnail for Carboniferous
    (2018-05-01). "Strontium and carbon isotopic evidence for decoupling of pCO2 from continental weathering at the apex of the late Paleozoic glaciation"...
    116 KB (12,172 words) - 17:59, 3 June 2025
  • Thumbnail for Pangaea Proxima
    biological evolution as new niches emerge. It has been suggested that the rise in pCO2 and the increased continentality that would accompany the assembly of Pangaea...
    19 KB (2,032 words) - 06:31, 23 May 2025
  • Thumbnail for Riftia
    solubility of CO2, yet the pCO2 of the blood of R. pachyptila may be as much as two orders of magnitude greater than the pCO2 of deep-sea water. CO2 partial...
    56 KB (6,331 words) - 14:04, 23 May 2025
  • [HCO− 3] is the molar concentration of bicarbonate in the blood plasma and PCO2 is the partial pressure of carbon dioxide in the supernatant gas. The concentration...
    18 KB (2,395 words) - 00:49, 19 May 2025
  • Thumbnail for Chloride shift
    (HCO3−) and a hydrogen ion (H+). In response to the decrease in intracellular pCO2, more CO2 passively diffuses into the cell. Cell membranes are generally...
    5 KB (596 words) - 22:30, 13 August 2024
  • Thumbnail for Miocene
    Charlotte; Hull, Pincelli M. (26 April 2018). "North Atlantic temperature and pCO2 coupling in the early-middle Miocene". Geology. 46 (6): 519–522. Bibcode:2018Geo...
    101 KB (10,479 words) - 03:24, 2 June 2025