Rapidly cooled horse spermatozoa: loss of viability is due to osmotic imbalance during thawing, not intracellular ice formation
The cellular damage that spermatozoa encounter at rapid rates of cooling has often been
attributed to the formation of intracellular ice. However, no direct evidence of intracellular ice
has been presented. An alternative mechanism has been proposed by Morris (2006) that
cell damage is a result of an osmotic imbalance encountered during thawing. This paper
examines whether intracellular ice forms during rapid cooling or if an alternative mechanism
is present. Horse spermatozoa were cooled at a range of cooling rates from 0.3 to 3000° …
attributed to the formation of intracellular ice. However, no direct evidence of intracellular ice
has been presented. An alternative mechanism has been proposed by Morris (2006) that
cell damage is a result of an osmotic imbalance encountered during thawing. This paper
examines whether intracellular ice forms during rapid cooling or if an alternative mechanism
is present. Horse spermatozoa were cooled at a range of cooling rates from 0.3 to 3000° …
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