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WBPhenotype:0000688
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sterile
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Animals generate defective gametes, are otherwise unable to reproduce or they generate progeny that are unable to reproduce. |
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WBPhenotype:0001260
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oocyte morphology variant
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Haploid female germ cells (oocytes) exhibit variations in their overall structure, appearance or contents compared to control. |
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WBPhenotype:0001951
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pachytene region organization variant
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Animals exhibit variations from control animals in the organization of the germ cell nuclei in the pachytene stage region of the gonad. In C. elegans the pachytene region begins just proximal to the germline's transition zone, where germ cells coordinately switch into the leptotene/zygotene stage from the premeiosis stage (WormAtlas). |
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WBPhenotype:0001980
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germ cell compartment expansion variant
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Animals exhibit variations in the increase in size of compartments of the germline. In the C. elegans germline, syncytial compartments enlarge just prior to and coincident with the loop region, eventually abscising, to become fully enclosed germ cells (oocytes). |
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WBPhenotype:0000182
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apoptosis reduced
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Any perturbation that causes a decrease in the frequency of cell death by apoptosis compared to control animals. |
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WBPhenotype:0001952
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germline nuclear positioning variant
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Variations in the directed movement/or positioning of a nucleus to a specific location within the germline compartment compared to control. |
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WBPhenotype:0001982
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cell membrane organization biogenesis variant
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Variations in the process(es) involved in the assembly, transport, arrangement or disassembly of cell membrane structures or components compared to control. |
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WBPhenotype:0001945
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oocytes small
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The size of haploid female germ cells (oocytes) are significantly smaller compared to control. |
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WBPhenotype:0001940
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rachis morphology variant
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Any variation in the form, structure or composition of the nucleus-free core of germ line cytoplasm in the gonad compared to control animals. In the C. elegans germline, nuclei exiting mitosis and entering meiosis are arranged along the cortex of the germline, partially enclosed by cellular membrane, forming a nucleus-free core of germline cytoplasm, called the rachis. |
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WBPhenotype:0001973
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germ cell compartment size variant
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Any variation in germ cell compartment size compared to control. |
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WBPhenotype:0001947
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diplotene progression during oogenesis variant
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Developing oocytes show defects in their entry, progression through or exit from the diplotene stage compared to control animals. Diplotene is a cell cycle process comprising the steps by which a cell progresses through the fourth stage of prophase I in meiosis, in which the homologous chromosomes begin to separate and the synaptonemal complex dissolves. |
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WBPhenotype:0001969
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germ cell compartment morphology variant
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Any variation in the form or composition of the compartments in the germline of females/hermaphrodites compared to control animals. In C. elegans these compartments contain a nucleus and are connected to a common cytoplasm (rachis). These compartments eventually undergo cellularization and become oocytes. |
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WBPhenotype:0001977
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germ cell partition morphology variant
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Any variation in the form or composition of the compartment partitions in the germline of females/hermaphrodites that exist when nuclei are still connected to a common cytoplasm (rachis), compared to control animals. |
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WBPhenotype:0001950
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diplotene region organization variant
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Animals exhibit variations from control animals in the organization of the germ cell nuclei in the gonad that are in the diplotene stage. In C. elegans the diplotene region follows the pachytene region and occurs just distal to, and coincident with, the loop in the gonad arm. In the diplotene region germ cell compartments become organized into a single file. |
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WBPhenotype:0001953
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nuclear fallout
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Nuclei have fallen out of developing germ cell compartments into the rachis. |
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WBPhenotype:0001949
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diakinesis region organization variant
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Animals exhibit variations from control animals in the organization of the germ cell nuclei in the gonad that are in the diakinesis stage. In C. elegans the diakinesis region occurs in the proximal gonad arm and is preceded by the diplotene region. In the diakinesis region oocytes arrest until oocyte maturation occurs. |
