- L4 lethal
Animals die at the L4 stage of the life cycle.
- L4 arrest
The developmental program of the animals does not continue past the fourth larval stage (L4).
- octanol chemotaxis defective
Failure to execute the characteristic response to 1-octanol as defined by control animals. In C.elegans 1-octanol is typically a repellant.
- vulval invagination variant L4
The characteristic Christmas-tree shaped invagination formed by the terminal vulval cells at the mid-late L4 stage is altered.
- late larval lethal
Animals die during late larval development. In C. elegans, this occurs during the L3- L4 larval stages of the life cycle.
- late larval arrest
Larvae arrest during late larval development. In C. elegans, larval arrest occurs during the L3 or L4 stages of larval development.
- excretory secretory system morphology variant
Variations in the form, structure or composition of related tissues that allow the animal to secrete saline fluid and maintain a proper salt balance compared to control. In C. elegans, four cell types (1 pore cell, 1 duct cell, 1 canal cell and a fused pair of gland cells) make up the excretory system (Wormatlas).
- L3 L4 molt defect
Animals exhibit defects in the process of shedding, part or all of its cuticle, during cuticle replacement that punctuates L3 to L4 transition.
- L4 adult molt defect
Animals exhibit defects in the process of shedding, part or all of its cuticle, during cuticle replacement that punctuates L4 to adult transition.
- precocious alae
Formation of alae occurs earlier in development compared to control animals; In C. elegans, adult lateral alae are typically generated during the late L4 stage.