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Deutsche Protoconch Synonyme

Englische protoconch; embryonic shell; first chamber; initial chamber; apical chamber Synonyme

Protoconch Definition

Acorn-shell
(n.) One of the sessile cirripeds
Air chamber
() A chamber or cavity filled with air, in an animal or plant.
Air chamber
() A cavity containing air to act as a spring for equalizing the flow of a liquid in a pump or other hydraulic machine.
Apical
(a.) At or belonging to an apex, tip, or summit.
Argus shell
() A species of shell (Cypraea argus), beautifully variegated with spots resembling those in a peacock's tail.
Ark shell
() A marine bivalve shell belonging to the genus Arca and its allies.
Boat shell
() A marine gastropod of the genus Crepidula. The species are numerous. It is so named from its form and interior deck.
Boat shell
() A marine univalve shell of the genus Cymba.
Bubble shell
() A marine univalve shell of the genus Bulla and allied genera, belonging to the Tectibranchiata.
Chamber
(n.) A retired room, esp. an upper room used for sleeping
Chamber
(n.) Apartments in a lodging house.
Chamber
(n.) A hall, as where a king gives audience, or a deliberative body or assembly meets
Chamber
(n.) A legislative or judicial body
Chamber
(n.) A compartment or cell
Chamber
(n.) A room or rooms where a lawyer transacts business
Chamber
(n.) A chamber pot.
Chamber
(n.) That part of the bore of a piece of ordnance which holds the charge, esp. when of different diameter from the rest of the bore
Chamber
(n.) A cavity in a mine, usually of a cubical form, to contain the powder.
Chamber
(n.) A short piece of ordnance or cannon, which stood on its breech, without any carriage, formerly used chiefly for rejoicings and theatrical cannonades.
Chamber
(v. i.) To reside in or occupy a chamber or chambers.
Chamber
(v. i.) To be lascivious.
Chamber
(v. t.) To shut up, as in a chamber.
Chamber
(v. t.) To furnish with a chamber
Ear-shell
(n.) A flattened marine univalve shell of the genus Haliotis
Embryonic
(a.) Of or pertaining to an embryo
Fig-shell
(n.) A marine univalve shell of the genus Pyrula, or Ficula, resembling a fig in form.
Goroon shell
() A large, handsome, marine, univalve shell (Triton femorale).
Hard-shell
(a.) Unyielding
Initial
(a.) Of or pertaining to the beginning
Initial
(a.) Placed at the beginning
Initial
(n.) The first letter of a word or a name.
Initial
(v. t.) To put an initial to
Ioqua shell
() The shell of a large Dentalium (D. pretiosum), formerly used as shell money, and for ornaments, by the Indians of the west coast of North America.
Maara shell
() A large, pearly, spiral, marine shell (Turbo margaritaceus), from the Pacific Islands. It is used as an ornament.
Mail-shell
(n.) A chiton.
Mask shell
() Any spiral marine shell of the genus Persona, having a curiously twisted aperture.
Pouch-shell
(n.) A small British and American pond snail (Bulinus hypnorum).
Protoconch
(n.) The embryonic shell, or first chamber, of ammonites and other cephalopods.
Rice-shell
(n.) Any one of numerous species of small white polished marine shells of the genus Olivella.
Shell
(n.) A hard outside covering, as of a fruit or an animal.
Shell
(n.) The covering, or outside part, of a nut
Shell
(n.) A pod.
Shell
(n.) The hard covering of an egg.
Shell
(n.) The hard calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal, or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like.
Shell
(n.) Hence, by extension, any mollusks having such a covering.
Shell
(n.) A hollow projectile, of various shapes, adapted for a mortar or a cannon, and containing an explosive substance, ignited with a fuse or by percussion, by means of which the projectile is burst and its fragments scattered. See Bomb.
Shell
(n.) The case which holds the powder, or charge of powder and shot, used with breechloading small arms.
Shell
(n.) Any slight hollow structure
Shell
(n.) A coarse kind of coffin
Shell
(n.) An instrument of music, as a lyre, -- the first lyre having been made, it is said, by drawing strings over a tortoise shell.

protoconch; embryonic shell; first chamber; initial chamber; apical chamber Bedeutung

embryonic stemell research biological research on stem cells derived from embryos and on their use in medicine
shell game
thimblerig
a swindling sleight-of-hand game, victim guesses which of three things a pellet is under
conchology
shell collecting
the collection and study of mollusc shells
initial public offering
IPO
initial offering
a corporation's first offer to sell stock to the public
embryonic tissue tissue in an embryo
budgerigar
budgereegah
budgerygah
budgie
grass parakeet
lovebird shell parakeet
Melopsittacus undulatus
small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors
carapace
shell cuticle
shield a
hard outer covering or case of certain organisms such as arthropods and turtles
shell the hard largely calcareous covering of a mollusc or a brachiopod
scallop shell a shell of a scallop
oyster shell a shell of an oyster
tooth shell
tusk shell
any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing
abalone
ear-shell
any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior
scorpion shell any of numerous tropical marine snails that as adults have the outer lip of the aperture produced into a series of long curved spines
moon shell
moonshell
marine gastropods having smooth rounded shells that form short spires
bubble shell marine gastropod mollusk having a very small thin shell
chiton
coat-of-mail shell
sea cradle
polyplacophore
primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
soft-shell clam
steamer
steamer clam
long-neck clam
Mya arenaria
an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe
quahog
quahaug
hard-shell clam
hard clam
round clam
Venus mercenaria
Mercenaria mercenaria
an edible American clam, the heavy shells were used as money by some American Indians
ark shell marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
hard-shell crab edible crab that has not recently molted and so has a hard shell
soft-shell crab
soft-shelled crab
edible crab that has recently molted and not yet formed its new shell
brachiopod
lamp shell
lampshell
marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food, found worldwide
anechoic chamber a chamber having very little reverberation
artillery shell a shell fired by artillery
bedroom
sleeping room
sleeping accommodation
chamber bedchamber
a room used primarily for sleeping
blank
dummy blank shell
a cartridge containing an explosive charge but no bullet
boardroom
council chamber
a room where a committee meets (such as the board of directors of a company)
boron chamber an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons
bubble chamber an instrument that records the tracks of ionizing particles
burial chamber
sepulcher
sepulchre
sepulture
a chamber that is used as a grave
chamber a natural or artificial enclosed space
chamber a room where a judge transacts business
cloud chamber
Wilson cloud chamber
apparatus that detects the path of high-energy particles passing through a supersaturated vapor, each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
crematory
crematorium
cremation chamber
a furnace where a corpse can be burned and reduced to ashes
cylinder piston chamber a chamber within which piston moves
echo chamber an enclosed space for producing reverberation of a sound
firing chamber
gun chamber
chamber that is the part of a gun that receives the charge
gas shell (military) bomb consisting of an explosive projectile filled with a toxic gas that is released when the bomb explodes
gas chamber
death chamber
instrument of execution consisting of a sealed chamber into which poison gas is introduced, used to kill people or animals
hyperbaric chamber a large chamber in which the oxygen pressure is above normal for the atmosphere, used in treating breathing disorders or carbon monoxide poisoning
ionization chamber
ionization tube
a measuring instrument that measures the amount of ionizing radiation
lock lock chamber enclosure consisting of a section of canal that can be closed to control the water level, used to raise or lower vessels that pass through it
mess jacket
monkey jacket
shell jacket
waist-length jacket tapering to a point at the back, worn by officers in the mess for formal dinners
plate scale shell a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
presence chamber room in which a monarch or other great person receives guests, assemblies, etc.
racing skiff
single shell
a shell for a single oarsman
resonator cavity resonator
resonating chamber
a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
shell ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile, fired from a large gun
shell case casing the housing or outer covering of something, the clock has a walnut case
shell racing shell a very light narrow racing boat
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