Information about Nidamental Gland
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Ventral view of the viscera of Chtenopteryx sicula, showing the presence of the nidamental gland and accessory nidamental gland.
The nidamental gland is an internal organ found in some elasmobranchs and certain molluscs, including cephalopods (specifically Decapodiformes and nautiluses) and gastropods.
In cephalopods, the nidamental gland is a large glandular structure found in the mantle cavity. An accessory nidamental gland may also be present. Nidamental glands are composed of lamellae which secrete egg cases or the gelatinous substance comprising egg masses.
References
- Bloodgood, R.A. 1977. The squid accessory nidamental gland: ultrastructure and association with bacteria. Tissue Cell 9(2): 197-208.
- Prasad, R.R. 1948. Observations on the Nidamental Glands of Hydrolagus colliei, Raja rhina and Platyrhinoidis triseriatus. Copeia 1948(1): 54-57. doi:10.2307/1438791
- Young, R.E., M. Vecchione & K.M. Mangold 1999. Cephalopoda Glossary. Tree of Life web project.
organ (Latin: organum, "instrument, tool") is a group of tissues that perform a specific function or group of functions. Usually there is a main tissue and sporadic tissues. The main tissue is the one that is unique for the specific organ.
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Elasmobranchii
Bonaparte, 1838
Superorders
Batoidea (rays and skates)
Selachimorpha (sharks)
Elasmobranchii is the subclass of cartilaginous fish that includes skates, rays (batoidea), and sharks (selachii).
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Bonaparte, 1838
Superorders
Batoidea (rays and skates)
Selachimorpha (sharks)
Elasmobranchii is the subclass of cartilaginous fish that includes skates, rays (batoidea), and sharks (selachii).
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Mollusca
Linnaeus, 1758
Classes
Caudofoveata
Aplacophora
Polyplacophora
Monoplacophora
Bivalvia
Scaphopoda
Gastropoda
Cephalopoda
† Rostroconchia
† Helcionelloida
† ?Bellerophontida
The molluscs
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Linnaeus, 1758
Classes
Caudofoveata
Aplacophora
Polyplacophora
Monoplacophora
Bivalvia
Scaphopoda
Gastropoda
Cephalopoda
† Rostroconchia
† Helcionelloida
† ?Bellerophontida
The molluscs
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Cephalopoda
Cuvier, 1797
Orders
Subclass Nautiloidea
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Cuvier, 1797
Orders
Subclass Nautiloidea
- †Plectronocerida
- †Ellesmerocerida
- †Actinocerida
- †Pseudorthocerida
- †Endocerida
- †Tarphycerida
- †Oncocerida
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Decapodiformes
Young, et al., 1998
Orders
?†Boletzkyida
Sepiida
Sepiolida
Spirulida
Teuthida
Synonyms
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Young, et al., 1998
Orders
?†Boletzkyida
Sepiida
Sepiolida
Spirulida
Teuthida
Synonyms
- Decembrachiata
Winckworth, 1932
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Nautilina
Agassiz, 1847
Family: Nautilidae
Blainville, 1825
Genera
Allonautilus
Nautilus
Nautilus (from Greek ναυτίλος
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Agassiz, 1847
Family: Nautilidae
Blainville, 1825
Genera
Allonautilus
Nautilus
Nautilus (from Greek ναυτίλος
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Gastropoda
Cuvier, 1797
Subclasses
Eogastropoda (True Limpets and relatives)
Orthogastropoda
The gastropods, also previously known as gasteropods, or univalves
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Cuvier, 1797
Subclasses
Eogastropoda (True Limpets and relatives)
Orthogastropoda
The gastropods, also previously known as gasteropods, or univalves
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The mantle is an organ found in mollusks. It is the dorsal body wall covering the main body, or visceral mass. In many species, the epidermis of this organ secretes calcium carbonate to create a shell.
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A lamella is a thin plate-like structure, often one amongst many lamellae very close to one another, with open space between. Aside from respiratory organs, they appear in other biological roles including filter feeding, the traction surfaces of geckos, and chloroplast
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