François Meunier
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View article: A Distributed Computational Model for Estimating the Carbon Footprints of Companies
A Distributed Computational Model for Estimating the Carbon Footprints of Companies Open
A new approach based on input–output (IO) analysis has emerged to estimate the carbon footprints of companies and their products from cradle to gate. While the approach relies on the same principles as the GHG Protocol, it uses a distribut…
View article: A Distributed Computational Model for Estimating the Carbon Footprints of Companies
A Distributed Computational Model for Estimating the Carbon Footprints of Companies Open
A new approach based on input-output (IO) analysis has emerged to estimate the carbon footprints of companies and their products from cradle to gate. While they rely on the same principles as the GHG Protocol, they use a distributed iterat…
View article: Some data on the histological organization of bony tissues and teeth in the Mackerel, Scomber scombrus L. 1758 (Acanthopterygii, Perciformes, Scombridae)
Some data on the histological organization of bony tissues and teeth in the Mackerel, Scomber scombrus L. 1758 (Acanthopterygii, Perciformes, Scombridae) Open
Our histological study, based on thin sections of undecalcified material, confirms the acellularity of bone in Scomber scombrus. The primary pseudolamellar bone shows some secondary vascular canals limited by relatively thin secondary bony…
View article: Rectification of the nomenclature of the genus name Pollia Meunier & Gayet, 1996 (Osteichthyes, Cladistia, Polypteriformes) in Latinopollia nom. nov
Rectification of the nomenclature of the genus name Pollia Meunier & Gayet, 1996 (Osteichthyes, Cladistia, Polypteriformes) in Latinopollia nom. nov Open
Rectification de nomenclature du nom de genre Pollia Meunier & Gayet, 1996 (Osteichthyes, Cladistia, Polypteriformes) in Latinopollia nom. nov. Le nom de genre Pollia, erige pour un polypteriforme du Maastrichtien de Bolivie, ayant deja et…
View article: Life history and ossification patterns in <i>Miguashaia bureaui</i> reveal the early evolution of osteogenesis in coelacanths
Life history and ossification patterns in <i>Miguashaia bureaui</i> reveal the early evolution of osteogenesis in coelacanths Open
The study of development is critical for revealing the evolution of major vertebrate lineages. Coelacanths have one of the longest evolutionary histories among osteichthyans, but despite access to extant representatives, the onset of their…
View article: Peer Review #2 of "Life history and ossification patterns in Miguashaia bureaui reveal the early evolution of osteogenesis in coelacanths (v0.1)"
Peer Review #2 of "Life history and ossification patterns in Miguashaia bureaui reveal the early evolution of osteogenesis in coelacanths (v0.1)" Open
The study of development is critical for revealing the evolution of major vertebrate lineages.Coelacanths have one of the longest evolutionary histories among osteichthyans, but despite access to extant representatives, the onset of their …
View article: Peer Review #2 of "Life history and ossification patterns in Miguashaia bureaui reveal the early evolution of osteogenesis in coelacanths (v0.2)"
Peer Review #2 of "Life history and ossification patterns in Miguashaia bureaui reveal the early evolution of osteogenesis in coelacanths (v0.2)" Open
The study of development is critical for revealing the evolution of major vertebrate lineages.Coelacanths have one of the longest evolutionary histories among osteichthyans, but despite access to extant representatives, the onset of their …
View article: Histology and morphology of the scales in some extinct and extant teleosts
Histology and morphology of the scales in some extinct and extant teleosts Open
Scale morphology and histology of some fossil and extant teleosts, as well as some stem group teleosts such as Pachycormiforms, are compared. Basal teleosts have lepidosteoid type scales, although cycloid scales appear at the †Leptolepis c…
View article: A microanatomical and histological study of the scales of the Devonian sarcopterygian<i>Miguashaia bureaui</i>and the evolution of the squamation in coelacanths
A microanatomical and histological study of the scales of the Devonian sarcopterygian<i>Miguashaia bureaui</i>and the evolution of the squamation in coelacanths Open
Coelacanths have traditionally been described as morphologically conservative throughout their long evolutionary history, which spans more than 400 million years. After an initial burst during the Devonian, a morphological stasis was long …
View article: The lungs of extinct and extant coelacanths: a morphological and histological review
The lungs of extinct and extant coelacanths: a morphological and histological review Open
This review deals with recent studies on the lungs of fossil and extant coelacanths with classical techniques (dissections, photonic histology) and modern techniques (SEM, X-ray tomography). This recent knowledge allows to attest the homol…
View article: New histological information on <i>Holoptychius</i> Agassiz, 1839 (Sarcopterygii, Porolepiformes) provides insights into the palaeoecological implications and evolution of the basal plate of the scales of osteichthyans
New histological information on <i>Holoptychius</i> Agassiz, 1839 (Sarcopterygii, Porolepiformes) provides insights into the palaeoecological implications and evolution of the basal plate of the scales of osteichthyans Open
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View article: Transformations of the texture and the mineralization of the dentary bone in the Atlantic salmon, Salmo salar L. (Salmonidae), during anadromous migration
Transformations of the texture and the mineralization of the dentary bone in the Atlantic salmon, Salmo salar L. (Salmonidae), during anadromous migration Open
During its anadromous migration, the Atlantic salmon, Salmo salar, shows morphological transformations that affect various parts of its skeleton. The most spectacular concerns the jaws that lengthen and thicken to form a “kype” in the male…
View article: A tomographic study of the histological structure of teeth in the gilthead sea bream, <scp><i>Sparus aurata</i></scp> (Teleostei, Perciformes, Sparidae)
A tomographic study of the histological structure of teeth in the gilthead sea bream, <span><i>Sparus aurata</i></span> (Teleostei, Perciformes, Sparidae) Open
X‐ray tomography shows that caniniform and molariform teeth of the gilthead sea bream, Sparus aurata , have a simplexodont plicidentine organization. Together with an insertion of the teeth in alveolae, and the presence of bony shafts sust…
View article: Morphological and histological study of the hyperostoses of Lepidopus albyi (Sauvage, 1870), a fossil Trichiuridae from the Tortonian (Upper Miocene) of Piedmont (Italy)
Morphological and histological study of the hyperostoses of Lepidopus albyi (Sauvage, 1870), a fossil Trichiuridae from the Tortonian (Upper Miocene) of Piedmont (Italy) Open
Two fossil specimens of the cutlassfish Lepidopus albyi, from the Tortonian (Upper Miocene) of Piedmont (Italy) showed hyperostotic pterygiophores. The comparative morpho-histological study of this material with the fossil L. proargenteus …
View article: A new genus and species of neotropical electric fish, Japigny kirschbaum (Gymnotiformes: Sternopygidae), from French Guiana
A new genus and species of neotropical electric fish, Japigny kirschbaum (Gymnotiformes: Sternopygidae), from French Guiana Open
Several specimens of a new Sternopygidae, Japigny kirschbaum (Gymnotiformes), were caught in three rivers of French Guiana (Approuague, Mana, Maroni). This species, characterized by alternating large wide dark and vertical bands on the who…
View article: Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study
Resorption of scales in Atlantic salmon (Salmo salar) during its anadromous migration: a quantitative study Open
Resorption processes in the scales of Atlantic salmon, during its anadromous migration are known since 1935, but have never been quantified. In fact, the ellipsoid form of the ascending salmon scale resorbs into an irregular highly deforme…
View article: The anatomy of the thyroid gland among “fishes”: phylogenetic implications for the Vertebrata
The anatomy of the thyroid gland among “fishes”: phylogenetic implications for the Vertebrata Open
A study on the structure of the thyroid gland of 288 vertebrate species, conducted both on 99 dissections and analysis of the literature, leads to propose the following interpretations: i) the presence of this gland is a synapomorphy of Ve…
View article: The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism
The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism Open
Vertebrate bone is composed of three main cell types: osteoblasts, osteoclasts and osteocytes, the latter being by far the most numerous. Osteocytes are thought to play a fundamental role in bone physiology and homeostasis, however they ar…
View article: The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism
The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism Open
Vertebrate bone is composed of three main cell types: osteoblasts, osteoclasts and osteocytes, the latter being by far the most numerous. Osteocytes are thought to play a fundamental role in bone physiology and homeostasis, however they ar…
View article: Histological data on bone and teeth in two dragonfishes (Stomiidae; Stomiiformes): Borostomias panamensis Regan & Trewavas, 1929 and Stomias boa Reinhardt, 1842
Histological data on bone and teeth in two dragonfishes (Stomiidae; Stomiiformes): Borostomias panamensis Regan & Trewavas, 1929 and Stomias boa Reinhardt, 1842 Open
The predatory mesopelagic fishes Borostomias panamensis and Stomias boa (Stomiidae) have typical sharp long fangs. The cross section of their teeth shows that the dentinous wall of the pulp cavity is smooth, contrary to the pleated wall fo…
View article: Histological study of the cutaneous bony scutes in the John dory, Zeus faber Linnaeus, 1758 (Teleostei: Zeiformes: Zeidae)
Histological study of the cutaneous bony scutes in the John dory, Zeus faber Linnaeus, 1758 (Teleostei: Zeiformes: Zeidae) Open
The cutaneous bony scutes in the John dory, Zeus faber, are made of acellular tubular bone. They show some secondary bone on the walls of central vascular cavities. This secondary bone is deprived of osteoblastic canaliculi. These histolog…
View article: The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism
The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism Open
Vertebrate bone is composed of three main cell types: osteoblasts, osteoclasts and osteocytes, the latter being by far the most numerous. Osteocytes are thought to play a fundamental role in bone physiology and homeostasis, however they ar…
View article: The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism
The phylogenetic origin and evolution of acellular bone in teleost fishes: insights into osteocyte function in bone metabolism Open
Vertebrate bone is composed of three main cell types, the most prominent of which are the osteocytes. These cells are thought to play a fundamental role in bone physiology, however they are entirely absent in most extant species of teleost…
View article: Histology of the endothermic opah ( <i>Lampris</i> sp.) suggests a new structure–function relationship in teleost fish bone
Histology of the endothermic opah ( <i>Lampris</i> sp.) suggests a new structure–function relationship in teleost fish bone Open
Endothermy, production and retention of heat by the body, appeared convergently in mammals, birds and four spiny-rayed teleost fish lineages. Of these, red-muscle endothermy over most or all of the body has only appeared in two groups: tun…
View article: A histological study of the lingual molariform teeth in Hyperopisus bebe (Mormyridae; Osteoglossomorpha)
A histological study of the lingual molariform teeth in Hyperopisus bebe (Mormyridae; Osteoglossomorpha) Open
The molariform teeth of the mormyrid fish Hyperopisus bebe display a cone of orthodentine overlaid at their tip by a thick layer of enameloid (= acrodine). The teeth are fixed on a cellular bony tissue. This organization is classical for a…
View article: Histological study of the jaw teeth in the Devonian actinopterygian †Cheirolepis canadensis (Whiteaves)
Histological study of the jaw teeth in the Devonian actinopterygian †Cheirolepis canadensis (Whiteaves) Open
†Cheirolepis bears two series of teeth on its jaws: one with sharp caniniform teeth and a second one with smaller teeth. The good preservation of the fossil material from Miguasha (Canada) has allowed a histological study of the various ti…