[DOC] [TLE] Nacre - Wikipedia [PAR] Nacre also known as mother of pearl, is an organic-inorganic composite material 
produced by some molluscs as an inner shell layer; it also makes up the outer 
coating of pearls. It is strong, resilient, and iridescent. Nacre is found in some of 
the most ancient lineages of bivalves, gastropods, .... Many accordion and 
concertina bodies are completely covered in nacre, and... [DOC] [TLE] Mussel - Wikipedia [PAR] Mussel is the common name used for members of several families of clams or 
bivalve molluscs, from saltwater and freshwater habitats. These groups have in 
common a shell whose outline is elongated and ... The common name "mussel" 
is also used for many freshwater bivalves, including the ... The shell has three 
layers. [DOC] [TLE] Adventist Youth Honors Answer Book/Nature/Shells - Advanced ... [PAR] 4 4 Distinguish between univalve and bivalve mollusks from the following 
considerations: 4.1 a. ..... It is exceptionally strong, resilient, and iridescent. ... 
Many other families of molluscs also have an inner shell layer which is nacreous, 
including... [DOC] [TLE] The formation and mineralization of mollusk shell (PDF Download ... [PAR] bivalves are among the most known mollusks, since many. of them, like the .... 
nacreous layer is among the most studied mollusk shell .... crystals, densely 
packed together, and which form the inner. iridescent layer of several mollusks (
25). [DOC] [TLE] Nacre [PAR] Turban shell. Abalone. bivalves. Pearl oyster. Freshwater clam. cephalopod ... 
Calcium in molluscan blood reacts with dissolved carbon dioxide to result in the 
... The mantle then covers the prismatic layer with tablets of aragonite nacre (this 
is the ... The same principle applies to iridescence of the surface of a compact 
disc... [DOC] [TLE] Pearl - New World Encyclopedia [PAR] Pearls are formed inside the shell of certain bivalve mollusks when nacre is 
secreted in ... The iridescent inner layer of nacre found in mollusk shells is 
considered highly ... This process is repeated for many years, thus producing a 
pearl. [DOC] [TLE] The Gastropod Shell [PAR] Among the molluscs the snails' shells also are a special thing. ... In contrary, shell 
spikes, as they appear in many marine gastropod species, are a ... In some snail 
groups, but mainly among the bivalves, the innermost layer of the shell can be ... 
Those break the light in such a way that they reflect an iridescent shimmer. [DOC] [TLE] Download the PDF (209 KB) - SPC [PAR] A pearl oyster is a bivalve (or two-shelled) mollusc* and is therefore related to 
mussels and clams. ... layers around the irritant become a blister attached to the 
inside of the shell or, much ... periostracum, a middle prismatic layer and an inner 
nacreous layer ... although many bivalve molluscs have two adductor muscles 
the. [DOC] [TLE] Brewer, E. Cobham. Dictionary of Phrase & Fable. Mother of Pearl. [PAR] Dictionary of Phrase and Fable. 1898. Mother of Pearl. The inner iridescent 
layers of the shells of many bivalve molluscs, especially that of the pearl oyster. 1
... [DOC] [TLE] The origin of the color of pearls in iridescence from ... - Rice University [PAR] layer projects beyond the inner layer to form a lip at the edge of the shell (Taylor 
... The iridescent colors of South Sea Pearls and their shells have been ascribed
... [DOC] [TLE] Spiral and target patterns in bivalve nacre manifest a natural ... [PAR] Jun 30, 2009 ... ficial liquid crystals grown in this way may have many technolog- ... is the 
iridescent material that forms an inner layer of the shells of numerous species of 
... 2 for a sketch of bivalve molluscan anatomy and nacre structure. [DOC] [TLE] The dynamics of nacre self-assembly [PAR] Dec 8, 2006 ... Keywords: biomineralization, nacre, molluscs, -chitin ... As seen with the naked 
eye, nacre is an iridescent layer that composes the inner surface of the shell of ... 
around a foreign body trapped within the organism in many of these species; ... In 
bivalves, the structure is that of a brick wall

Question: The inner iridescent layers of the shells of many bivalve mollusks
Answer: mother of pearl