egg case


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egg case

n.
1. A protective capsule that contains eggs, produced by certain insects, mollusks, and elasmobranch fishes.
2. See egg sac.
References in periodicals archive ?
In February and March 2005, we searched each sub-cell for mantid oothecae, recording the species and height of vegetation on which an egg case had been deposited and its approximate compass orientation.
chilensis the egg case is dark brown in colour with a smooth surface, finely striated and without ridges, and has a capsule length (CL) of 94-158 mm and capsule width (CW) of 64-76 mm.
Case and box machine used to hold the heads of wooden boxes and crates--in particular, egg cases before the era of cardboard cartons--in position during construction.
The horse and pony fertilized, and we didn't have to purchase praying mantis egg cases, as they were plentiful around the neighborhood.
Once an egg case was completed, the female spider remained with it most of the time, upside down, departing only occasionally to capture prey.
Glue your egg case to the middle of your painted paper.
Bamboo sharks (Chiloscyllium punctatum) develop inside a leathery egg case (left) that opens slightly near hatching time.
Scientists discovered only recently--in the late 1980s--that a baby nautilus can take 10 to 14 months to develop within its egg case.
It looks like it may be a chicken and egg case, where the infrastructure doesn't exist because there aren't the vehicles for it, and vice-versa.
One reason health and agriculture officials were able to trace salmonella to the Umpqua Dairy plant is that unlike the strain in the egg case, the strain in the dairy was very uncommon.
Praying mantis egg case (Ootheca mantidis, Sang Piao Xiao) strengthens kidney energy and helps with urinary incontinence and bedwetting in children.