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| =Specific types of anemia= | | =Specific types of anemia= |
| ==Pernicious anemia== | | ==Pernicious anemia== |
| ===General===
| | {{Main|Pernicious anemia}} |
| *Macrocytic anemia.
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| Etiology:
| | ==Sickle cell anemia== |
| *Autoimmune - leads to loss of parietal cells.
| | {{Main|Sickle cell anemia}} |
| **Parietal cells produce ''intrinsic factor'' (important for vitamin B12 absorption) and ''hydrogen chloride''.
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| Diagnosis - serology for antibodies to:<ref name=pmid12643357>{{Cite journal | last1 = Oh | first1 = R. | last2 = Brown | first2 = DL. | title = Vitamin B12 deficiency. | journal = Am Fam Physician | volume = 67 | issue = 5 | pages = 979-86 | month = Mar | year = 2003 | doi = | PMID = 12643357 }}</ref>
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| *Parietal cells.
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| *Iintrinsic factor.
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| ===Microscopic===
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| Features:
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| *Loss of parietal cells.
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| =See also=
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| *[[Sickle cell anemia]].
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| =References= | | =References= |