Calca may refer to:
*
Calca Peninsula, a peninsula in South Australia
*
Calca Province Calca may refer to:
* Calca Peninsula, a peninsula in South Australia
* Calca Province, one of thirteen provinces in the Cusco Region of Peru
* Calca District, one of the eight districts in the Calca Province
* Calca, Peru, capital of the Calca D ...
, one of thirteen provinces in the Cusco Region of Peru
*
Calca District, one of the eight districts in the Calca Province
*
Calca, Peru, capital of the Calca District and Province
*
Calca, South Australia, a settlement on the west coast of
Eyre Peninsula
The Eyre Peninsula is a triangular peninsula in South Australia. It is bounded by the Spencer Gulf on the east, the Great Australian Bight on the west, and the Gawler Ranges to the north.
Originally called Eyre’s Peninsula, it was named af ...
* CALCA, the abbreviation for
calcitonin-related polypeptide alpha
Calcitonin is a 32 amino acid peptide hormone secreted by parafollicular cells (also known as C cells) of the thyroid (or endostyle) in humans and other chordates. in the ultimopharyngeal body. It acts to reduce blood calcium (Ca2+), opposing th ...
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