十四酰鞘氨醇是天然存在的神经酰胺，是鞘磷脂循环的组成部分。C | 24 | -N-酰基鞘氨醇在人血浆和兔白细胞中是最丰富的神经酰胺，占总神经酰胺的50-60％。十四酰鞘氨醇刺激嗜碱性成纤维细胞的增殖，提示其在红细胞成熟中的作用。 Lignoceric ceramide is a naturally occurring ceramide and an integral part of the sphingomyelin cycle. C|24|-N-acyl sphingosines are the most abundant ceramide species in human plasma and in rabbit leukocytes, where they make up to 50-60% of total ceramides. Lignoceric ceramide stimulates the proliferation of basophilic erythroblasts, suggesting a possible role in erythrocyte maturation.