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Table 1 PH and ion concentrations in blood plasma, uterine fluid and epithelial cells during eggshell mineralisation[5]

From: Identification of uterine ion transporters for mineralisation precursors of the avian eggshell

 

Blood plasma

Epithelial cells

Uterine fluid

   

8 h PO

18 h PO

Ions

[mM]

[mM]

[mM]

[mM]

Ca2+

1.2

<0.0002

6

10

Na+

140

12

144

80

K+

4

139

12

60

HCO3-

23

12

60

110

pH

7.4

7.0-7.4

7.6

7.1

Cl-

130

4

71

45

  1. The eggshell precursors are secreted in the uterine fluid where the eggshell mineralization daily takes place from 10 hours to 22 hours post ovulation (yolk entry in the oviduct). PO: post ovulation.
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BMC Physiology

ISSN: 1472-6793

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