View source for UserGuide:Definitions for Life Stages

== Definitions for Life Stages in WormBase ==

term: all stages goid: LS:0000002 definition: All C. elegans development stages, including embryo, larva and adult stage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: embryo goid: LS:0000003 definition: The whole period of embryogenesis, from the formation of an egg till its hatch. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: proliferating embryo goid: LS:0000004 definition: 0-350min after first cleavage at 20 Centigrade. Proliferate from 1 cell to 560 cells. From start of first cleavage till cleavage is over. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: blastula embryo goid: LS:0000005 definition: 0-100min after first cleavage at 20 Centigrade. Proliferate from 1 cell to 28 cells. From first cleavage till the start of gastrulation. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 1-cell embryo goid: LS:0000006 definition: Also called zygote. -50min till 0min of first cleavage at 20 Centigrade. Contains 1 cell. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 2-cell embryo goid: LS:0000007 definition: 0-20min after first cleavage at 20 Centigrade. Contains 2 cells. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 4-cell embryo goid: LS:0000008 definition: 20-40min after first cleavage at 20 Centigrade. Contains 4 cells. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 28-cell embryo goid: LS:0000009 definition: 100-105min after first cleaveage at 20 Centigrade. Contains 28 cells. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: gastrulating embryo goid: LS:0000010 definition: 100-290min after first cleavage at 20 Centigrade. Proliferate from 28 cells to 421 cells. Referring to the whole period of gastrulation. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 51-cell embryo goid: LS:0000011 definition: 120-135min after first cleavage at 20 Centigrade. Contains 51 cells. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 88-cell embryo goid: LS:0000012 definition: 145-150min after first cleavage at 20 Centigrade. Contains 88 cells. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: enclosing embryo goid: LS:0000013 definition: 290-350min after first cleavage at 20 Centigrade. Proliferate from 421 cells to 560 cells. The stage when embryo just finished gastulation and is enclosing. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: late cleavage stage embryo goid: LS:0000014 definition: 210-350min after first cleavage at 20 Centigrade. Proliferate from 421 cells to 560 cells. The stage before the fast cleavage of cells finishes. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: elongating embryo goid: LS:0000015 definition: 350-620min after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. The stage that embryo starts elongation till elongation is over. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: bean embryo goid: LS:0000016 definition: 350-390min after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. Emrbyo elongation started but have not formed comma shape yet. The shape of embryo looks like a lima bean. A stage right before comma embryo. Also called lima embryo or lima bean stage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: comma embryo goid: LS:0000017 definition: 390-420min after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. The shape of embryo looks like a comma. A stage between bean embryo and 1.5-fold embryo. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 1.5-fold embryo goid: LS:0000018 definition: 420-460min after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. The shape of embryo is elongated and fold back 50%. A stage between comma embryo and 2-fold embryo. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 2-fold embryo goid: LS:0000019 definition: 460-520min after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. The shape of embryo is elongated and double fold. A stage between 1.5-fold embryo and 3-fold embryo. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 3-fold embryo goid: LS:0000020 definition:520-620min after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. The shape of embryo is elongated and tripple fold. A stage between 2-fold embryo and fully-elongated embryo. Also called pretzel embryo or pretzel stage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: fully-elongated embryo goid: LS:0000021 definition: 620-800min(hatch) after first cleavage at 20 Centigrade. Cell number remains at ~560 cells, with some new cells generated and some cells go through programmed cell death. A stage after elongation is over. The last stage of embryogenesis. Also called pre-hatched embryo, late embryo or morphogenetic embryo. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: postembryonic goid: LS:0000022 definition: The stage after hatch till death. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: larva goid: LS:0000023 definition: From the time after hatch till becomes adult. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L1 larva goid: LS:0000024 definition: The first stage larva. At 25 Centigrade, it ranges 14-25.5 hours after fertilization, 0-11.5 hours after hatch. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L1-L2 molt goid: LS:0000026 definition: The stage when an animal shifts from L1 larva to L2 larva. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L1-L2 lethargus goid: LS:0000025 definition: The stage during L1-L2 molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L1-L2 ecdysis goid: LS:0000042 definition: The stage during L1-L2 molt, after the brief lethargus period, when an animal sheds off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L1-L2d molt goid: LS:0000043 definition: The stage when an animal shifts from L1 larva to L2d larva. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L1-L2d lethargus goid: LS:0000044 definition: The stage during L1-L2d molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L1-L2d ecdysis goid: LS:0000045 definition: The stage during L1-L2d molt, after the brief lethargus period, when an animal sheds off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2 larva goid: LS:0000027 definition: The second stage larva. At 25 Centigrade, it ranges 25.5-32.5 hours after fertilization, 11.5-18.5 hours after hatch. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2-L3 molt goid: LS:0000029 definition:The stage when an animal shifts from L2 larva to L3 larva. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2-L3 lethargus goid: LS:0000028 definition: The stage during L2-L3 molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2-L3 ecdysis goid: LS:0000047 definition: The stage during L2-L3 molt, after the brief lethargus period, when an animal sheds off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2d larva goid: LS:0000046 definition: A special second stage larva with altered physiology and developmental potential that leads to formation of dauer larva. At 25 Centigrade, it ranges 25.5-32.5 hours after fertilization, 11.5-18.5 hours after hatch. definition_reference: [/wiki/index.php?title=Special:Booksources&isbn=0879694335 ISBN 0-87969-433-5] - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2d-dauer molt goid: LS:0000031 definition:The stage when an animal shifts from L2d larva to dauer larva. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2d-dauer lethargus goid: LS:0000030 definition: The stage during L2d-dauer molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2d-dauer ecdysis goid: LS:0000048 definition: The stage during L2d-dauer molt, after the brief lethargus period, when an animal sheds off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2d-L3 molt goid: LS:0000053 definition: The stage when an animal shifts from L2d larva to L3 larva. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2d-L3 lethargus goid: LS:0000054 definition:The stage during L2d-L3 molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L2d-L3 ecdysis goid: LS:0000055 definition: The stage during L2d-L3 molt, after the brief lethargus period, when an animal sheds off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: dauer larva goid: LS:0000032 definition: A third stage larva specialized for dispersal and long term survival. definition_reference: [/wiki/index.php?title=Special:Booksources&isbn=0879694335 ISBN 0-87969-433-5] - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: post dauer stage goid: LS:0000052 definition: The stage right after an animal recovered from dauer but has not started transformation to L4 larva yet. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: postdauer-L4 molt goid: LS:0000034 definition: The stage when an animal shifts from post dauer stage to L4 larva. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: postdauer-L4 lethargus goid: LS:0000033 definition: The stage during postdauer-L4 molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: postdauer-L4 ecdysis goid: LS:0000051 definition: The stage during postdauer-L4 molt, after the brief lethargus period, when an animal sheds off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L3 larva goid: LS:0000035 definition: The third stage larva. At 25 Centigrade, it ranges 32.5-40 hours after fertilization, 18.5-26 hours after hatch. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L3-L4 molt goid: LS:0000037 definition: The stage when an animal shifts from L3 larva to L4 larva. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L3-L4 lethargus goid: LS:0000036 definition:The stage during L3-L4 molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L3-L4 ecdysis goid: LS:0000049 definition:The stage during L3-L4 molt, after the brief lethargus period, when an animal sheds off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L4 larva goid: LS:0000038 definition:The fourth stage larva. At 25 Centigrade, it ranges 40-49.5 hours after fertilization, 26-35.5 hours after hatch. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L4-adult molt goid: LS:0000040 definition:The stage when an animal shifts from L4 larva to adult. It includes the synthesis of new cuticle, cease of phrayngeal pumping during a lethargus stage, and the shed off of old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L4-adult lethargus goid: LS:0000039 definition: The stage during L4-adult molt when an animal becomes lethargic, ceases pharyngeal pumping and synthesizes new cuticle under the old. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: L4-adult ecdysis goid: LS:0000050 definition: The stage during L4-adult molt, after the brief lethargus period, when an animal shed off old cuticle. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: adult goid: LS:0000041 definition: The stage after an animal is fully-developed and reaches maturity. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: adult male goid: WBls:0000056 definition: The stage after an male animal is fully-developed and reaches maturity. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: adult hermaphrodite goid: WBls:0000057 definition: The stage after an hermaphrodite animal is fully-developed and reaches maturity. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: pre-reproductive stage adult hermaphrodite goid: WBls:0000058 definition: Very young adult hermaphrodites that do not have eggs in the uterus yet. At 20 Centigrade: 0 - 13 hours after L4-adult molt. 3 days after first cleaveage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: reproductive stage adult hermaphrodite goid: WBls:0000060 definition: Adult hermaphrodites continuously laying fertilized eggs. hermaphrodite in egg laying stages--ususally up to 4/5 days after L4-adult molt at Centigrade. From the first fertilized egg is laid, til all sperms are used. At 20 Centigrade: 13 hours after L4-adult molt until about 5.4 days after the L4-adult molt. 3-8.4 days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: oocyte-laying stage adult hermaphrodite goid: WBls:0000061 definition: When egg-laying is still going on but intermittent and during which a significant number of oocytes are laid. Included in reproductive stage adult hermaphrodite. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: post-reproductive stage adult hermaphrodite goid: WBls:0000062 definition: Adult hermaphrodites that contain no more sperm, thus stop egg-laying, but still alive. At 20 Centigrade: 5.4 days after L4-adult molt until the death. 8.4 - 13.2 (average wild type life span) days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: newly molted young adult hermaphrodite goid: WBls:0000063 definition: At 20 Centigrade: 0-24 hours after L4-adult molt. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 1-day post-L4 adult hermaphrodite goid: WBls:0000064 definition: At 20 Centigrade: 24-48 hours after L4-adult molt. 4-5 days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 2-days post-L4 adult hermaphrodite goid: WBls:0000065 definition: At 20 Centigrade: 48-72 hours after L4-adult molt. 5-6 days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 3-days post-L4 adult hermaphrodite goid: WBls:0000066 definition: At 20 Centigrade: 72-96 hours after L4-adult molt. 6-7 days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 4-days post-L4 adult hermaphrodite goid: WBls:0000067 definition: At 20 Centigrade: 96-120 hours after L4-adult molt. 7-8 days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 5-days post-L4 adult hermaphrodite goid: WBls:0000068 definition: At 20 Centigrade: 5-6 days after L4-adult molt. 8-9 days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 4-7 days post-L4 adult hermaphrodite goid: WBls:0000069 definition: At 20 Centigrade: 4-7 days after L4-adult molt. 7-10 days after first cleavage. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG

term: 7-10 days post-L4 adult hermaphrodite goid: WBls:0000070 definition: At 20 Centigrade: 7-10 days after L4-adult molt. 10-13 days after first cleavage. Usually this is the end of wild type C. elegans life span. definition_reference: wb:wjc - - - - - - - - - - - - - - - - - - - -Back to Life Stage DAG




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