samdráttarhæf
Samdráttarhæf is an Icelandic term that translates to "contractile" in English. It is most commonly used in a biological and medical context to describe the ability of tissues or cells to shorten or contract. This property is fundamental to the function of various biological systems.
Muscles, for instance, are highly samdráttarhæf tissues. The specialized proteins within muscle cells, actin and myosin,
Beyond skeletal and smooth muscles, other cells can also exhibit samdráttarhæf characteristics. For example, fibroblasts, a
The physiological mechanisms underlying samdráttarhæf vary depending on the cell or tissue type but often involve