a thin layer, plate, or membrane, esp any of the calcified layers of which bone is formed
2. botany
a.
any of the spore-bearing gills of a mushroom
b.
any of the membranes in a chloroplast
c. Also called: middle lamella
a layer of pectin cementing together adjacent cells
3.
one of a number of timber, metal, or concrete members connected along a pattern of intersecting diagonal lines to form a framed vaulted roof structure
4.
any thin sheet of material or thin layer in a fluid
Derived forms
lamellar (laˈmellar) or lamellate (ˈlæmɪˌleɪt, -lɪt, ləˈmɛleɪt, -lɪt) or lamellose (ləˈmɛləʊs, ˈlæmɪˌləʊs)
adjective
lamellarly (laˈmellarly) or lamellately (ˈlamellately)
adverb
lamellated (ˈlamelˌlated)
adjective
lamellation (ˌlamelˈlation)
noun
lamellosity (ˌlæməˈlɒsɪtɪ)
noun
Word origin
C17: New Latin, from Latin, diminutive of lāmina thin plate
Examples of 'lamellae' in a sentence
lamellae
Stromal scarring and loosely packed lamellae were present anterior to the scrolls and ridges.
I-Ping Loh, Jennifer C. Fan Gaskin, Trevor Sherwin, Charles N.J. McGhee 2018, 'Extreme Descemet's membrane rupture with hydrops in keratoconus: Clinical and histologicalmanifestations', American Journal of Ophthalmology Case Reportshttp://www.sciencedirect.com/science/article/pii/S2451993617301330. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Even there only frozen-in primary lamellae are detected.
Norbert Stribeck, et al. 2014, 'Studying nanostructure gradients in injection-molded polypropylene/montmorillonitecomposites by microbeam small-angle x-ray scattering', Science and Technology of Advanced Materialshttp://dx.doi.org/10.1088/1468-6996/15/1/015004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Blood circulatory system showed vasodilatation of the secondary lamellae and aneurysms.
Stela Stoyanova, Vesela Slavcheva Yancheva, Iliana Velcheva, Ekaterina Uchikova, ElenkaGeorgieva 2015, 'Histological Alterations in Common Carp (Cyprinus carpio Linnaeus, 1758) Gills asPotential Biomarkers for Fungicide Contamination', Brazilian Archives of Biology and Technologyhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000500757&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
By participating in organic compound-crystal interactions, they assemble into consecutive mineral lamellae-like photonic crystals.
Takako Naganuma, Wataru Hoshino, Yukihiro Shikanai, Rie Sato, Kaiyue Liu, Saho Sato,Koji Muramoto, Makoto Osada, Kyosuke Yoshimi, Tomohisa Ogawa 2014, 'Novel Matrix Proteins of Pteria penguin Pearl Oyster Shell Nacre Homologous to theJacalin-Related β-Prism Fold Lectins', PLoS ONE10.1371/journal.pone.0112326. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Some scleral lamellae elongated while others shortened.
Sarah Baldivia, Alexander Levy, Shylaja Hegde, Stijn J. A. Aper, Maarten Merkx, RafaelGrytz 2016, 'A Novel Organ Culture Model to Quantify Collagen Remodeling in Tree Shrew Sclera',PLOS ONE10.1371/journal.pone.0166644. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Higher density of bill lamellae was observed in historical wild mallards (only males).
Pär Söderquist, Joanna Norrström, Johan Elmberg, Matthieu Guillemain, Gunnar Gunnarsson 2014, 'Wild Mallards Have More “Goose-Like” Bills Than Their Ancestors: A Case of AnthropogenicInfluence?', PLoS ONE10.1371/journal.pone.0115143. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the outer region cracks and defibration of the lamellae were observed.
V. Maltseva 2017, 'Effect of Pb exposure on the cells and matrix of the intervertebral disc of rats',Regulatory Mechanisms in Biosystemshttps://medicine.dp.ua/index.php/med/article/view/328. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
High temperatures and multi-pass deformations were conducive to the decomposition of lamellae.
Ning Cui, Qianqian Wu, Kexiao Bi, Jin Wang, Tiewei Xu, Fantao Kong 2019, 'Effect of Multi-Directional Forging on the Microstructure and Mechanical Propertiesof β-Solidifying TiAl Alloy', Materialshttps://www.mdpi.com/1996-1944/12/9/1381. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The formation of the arcs, filaments, rays and lamellae gill were registered.
Simone Maria Teixeira de Sabóia-Morais, Paulo Roberto de Souza, José Oscar Rodriguesde Morais, Eduardo José de Almeida Araujo 2001, 'Efeito de poluentes químicos cumulativos e mutagênicos durante o desenvolvimento ontogenéticode Poecilia vivípara (Cyprinodontiformes, Poeciliidae) Effect of cumulativechemical and mutagenic pollutants during ontogenic development of Poecilia vivipara(Cyprinodontiformes, Poeciliidae)', Acta Scientiarum : Biological Scienceshttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/2694. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)