from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An external pouch or fold on the abdomen of most female marsupials, containing the mammary glands and in which the young continue to develop after leaving the uterus.
- noun A temporary pouch in certain fishes, amphibians, and invertebrates in which eggs are carried until hatched.
from The Century Dictionary.
- noun In Roman antiquity, a purse of the kind usually borne in the hand of Mercury, and indicating his character as god of gain.
- noun In medicine, a sack or bag in which any part of the body is fomented.
- noun In zoology, a purse- or pouch-like receptacle for the eggs or young, more external than any of the proper organs of gestation; a brood-pouch of any kind.
- noun In anatomy, the alar ligaments (which see, under
from the GNU version of the Collaborative International Dictionary of English.
- noun The pouch, formed by a fold of the skin of the abdomen, in which marsupials carry their young; also, a pouch for similar use in other animals, as certain Crustacea.
- noun The pecten in the eye of birds and reptiles. See
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
external pouchin which female marsupialsrear and feed the young
- noun A
brood pouchin some fishes, crustaceansand insectsin the family Monophlebidae
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an external abdominal pouch in most marsupials where newborn offspring are suckled
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
Superficially, mysidaceans look much like small shrimp, and since they have a ventral marsupium, they are often called opossum shrimp.
He then releases sperm which she sweeps into her marsupium by vibrating her pleopods.
They form a shallow chamber on the ventral surface of the thorax called a marsupium.
The incubating eggs and newly hatched young remain in the marsupium for up to one month.
The newly hatched young amphipods stay in the marsupium until the female undergoes a post-copulatory moult.
They are large and platelike, and form the marsupium, in which the eggs and developing young are protected.
Females have a marsupium in which they brood their young until they are ready to be released into the environment.
Copulation consists of the male wrapping the posterior part of his body around the female's ventral side, bringing his uropods in close proximity to her marsupium.
After mating is complete, the female releases eggs into her marsupium where fertilization takes place.
After 1 to 10 months, the eggs are fertilized and pass into the marsupium.