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This PR adds a new term gamete-nursing cell to refer to any cell that provides cytoplasmic material to a developing gamete. Since such cells can have, depending on the species, either a somatic or a germinal origin, this term makes no assumption about the lineage. Instead, we also add two subclasses to specifically refer to the germline-derived and somatic nursing cells.
Add a new term `gamete-nursing cell` to refer to any cell that provides
cytoplasmic material to a developing gamete. Since such cells can have,
depending on the species, either a somatic or a germinal origin, this
term makes no assumption about the lineage. Instead, we also add two
subclasses to specifically refer to the germline-derived and somatic
nursing cells.
closes#1611
CL_4029001definition "A cell that supports the development of a gamete by providing it cytoplasmic material (including entire organelles) by direct cross-membrane channels (del Pino, 2021)."
CL_4029003comment "We follow what seems to be a common usage in the literature, which is to reserve the term “nurse cell” proper to cells from the germ line, hence the label “nurse-like”. This term encompasses pyriform cells described in reptiles, bird, and amphibians (del Pino, 2021); it does not encompass mammalian Sertoli cells, which do not appear to transfer cytoplasmic material to spermatogonia (França et al., 2016)."
CL_4029001definition "A cell that supports the development of a gamete by providing it cytoplasmic material (including entire organelles) by direct cross-membrane channels (del Pino, 2021)."
CL_4029003comment "We follow what seems to be a common usage in the literature, which is to reserve the term “nurse cell” proper to cells from the germ line, hence the label “nurse-like”. This term encompasses pyriform cells described in reptiles, bird, and amphibians (del Pino, 2021); it does not encompass mammalian Sertoli cells, which do not appear to transfer cytoplasmic material to spermatogonia (França et al., 2016)."
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This PR adds a new term
gamete-nursing cellto refer to any cell that provides cytoplasmic material to a developing gamete. Since such cells can have, depending on the species, either a somatic or a germinal origin, this term makes no assumption about the lineage. Instead, we also add two subclasses to specifically refer to the germline-derived and somatic nursing cells.closes #1611