egg case


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egg case

[′eg ‚kās]
(invertebrate zoology)
A protective capsule containing the eggs of certain insects and mollusks. Also known as egg capsule.
A silk pouch in which certain spiders carry their eggs. Also known as egg sac.
(vertebrate zoology)
A soft, gelatinous (amphibians) or strong, horny (skates) envelope containing the egg of certain vertebrates.
References in periodicals archive ?
This week, I have been for many walks on the beach, and after heavy seas there have been a lot of ray egg cases washed up on the strandline.
ventricosus on black murex snails such as (1) substrate complexity of murex shells, (2) substrate complexity of murex egg cases, (3) chemical cues from murex snail mucus, and (4) presence or absence of epibiota on black murex snails.
ONE of the delights of beachcombing is discovering the leathery `pursues' that are the egg cases of certain shark species.
Wedgwood's bowl appears most closely to resemble the egg case of Argonautahians, which averages just 8 to 12 cm long, although a fair amount of artistic license is evident, including a considerable increase in size.
Egg case, fish, and invertebrate densities were estimated from the area swept and from the numbers within each category (egg case, fish, and invertebrate) caught in each trawl haul.
The relationships between rapa whelk female size and egg case height, number of embryos egg [case.
In early May I bought a mantid egg case at a garden shop.
TWIN sharks transplanted into an artificial egg case in a rare operation are preparing to make their way in the big wide world.
Inside a chocolate egg case hidden in a compartment by the steering wheel they found white rocks which turned out to be cocaine.
Timing matters because the first male will father most of the eggs in an egg case.
Charlie's journey to Aquarium of the Bay began in February 2006 when his egg case was found on the Seacliff State Beach.