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Structural material present in almost all organic life
Fibrils (from Latin fibra) are structural biological materials found in nearly all living organisms. Not to be confused with fibers or filaments, fibrils
Fibril
Most abundant structural protein in animals
content. Amino acids are bound together to form a triple helix of elongated fibril known as a collagen helix. It is mostly found in cartilage, bones, tendons
Collagen
Insoluble protein aggregate with a fibrillar morphology
amyloid fibrils and their associated diseases based upon associated proteins (for example ATTR is the group of diseases and associated fibrils formed by
Amyloid
Anchoring fibrils (composed largely of type VII collagen) extend from the basal lamina of epithelial cells and attach to the lamina reticularis (also
Anchoring_fibrils
Eukaryotic membrane-bounded organelle containing DNA
the protein components instead form a perinucleolar cap. Perichromatin fibrils are visible only under electron microscope. They are located next to the
Cell_nucleus
Contractile element of muscle
A myofibril (also known as a muscle fibril or sarcostyle) is a basic rod-like organelle of a muscle cell. Skeletal muscles are composed of long, tubular
Myofibril
Jet of plasma in the Sun's chromosphere
In solar physics, a spicule, also known as a fibril or mottle, is a dynamic jet of plasma in the Sun's chromosphere about 300 km in diameter. They move
Solar_spicule
Type of tissue that connects muscle to bone
which is a delicate loose connective tissue containing thin collagen fibrils and elastic fibers. A set of fascicles is bound by an epitenon, which is
Tendon
Pathogenic type of misfolded protein
account fibril breakage. A mathematical solution for the exponential growth rate resulting from the combination of fibril growth and fibril breakage
Prion
Lamellated connective tissue of cornea
non-aqueous constituents of the stroma are collagen fibrils and proteoglycans. The collagen fibrils are made of a mixture of type I and type V collagens
Stroma_of_cornea
Yielding mechanism in polymers
polymers characterized by the formation of a fine network of microvoids and fibrils. These structures (known as crazes) typically appear as linear features
Crazing
development of fine fibrils normally present in collagen fibers of connective tissue. It is derived from the New Latin fibrilla (meaning fibrils, or pertaining
Fibrillogenesis
Metabolic disease involving abnormal deposited amyloid proteins
Amyloidosis is a group of diseases in which abnormal proteins, known as amyloid fibrils, build up in tissue. There are several non-specific and vague signs and
Amyloidosis
Serum protein related to amyloid diseases
(FAC). TTR tetramer dissociation is known to be rate-limiting for amyloid fibril formation. However, the monomer also must partially denature in order for
Transthyretin
Transparent front layer of the eye
composed primarily of randomly organized yet tightly woven collagen fibrils. These fibrils interact with and attach onto each other. This layer is eight to
Cornea
Group of genetic connective tissues disorders
The collagen fibril and EDS: (a) Normal collagen fibrils are of uniform size and spacing. Fibrils from a person with dermatosparaxis (b) show dramatic
Ehlers–Danlos_syndrome
Peptide hormone that plays a role in glycemic regulation
have shown that fibrils are the end product and not necessarily the most toxic form of amyloid proteins/peptides in general. A non-fibril forming peptide
Amylin
Medical condition
age 50. It is caused by antibodies to type VII collagen within anchoring fibril structures located at the dermoepidermal junction in skin. Damaged skin
Epidermolysis bullosa acquisita
Epidermolysis_bullosa_acquisita
Microstructure of natural materials
between fibrils to break and then reform after fibril adjustment. Collagen fibrils stretch: Collagen fibrils can elastically stretch, resulting in fibrils re-orientating
Bouligand_structure
Tissue surrounding chondrocytes in cartilage
matrix and the interterritorial region. It is mostly composed of collagen fibrils, and is hypothesized to protect cartilage cells against large mechanical
Territorial_matrix
Clade of reptiles
PMID 8327889. Pawlicki, R.; Korbel, A.; Kubiak, H. (1996). "Cells, Collagen Fibrils and Vessels in Dinosaur Bone". Nature. 211 (5049): 655–657. doi:10.1038/211655a0
Dinosaur
Medical condition
spacing and arrangement of the collagen fibrils within the stroma. Alterations in the spacing of collagen fibrils in a variety of conditions including corneal
Corneal_opacity
Protein-coding gene in humans
cleaves the amino-propeptides of fibrillar collagens, enabling collagen fibril formation before the assembly of collagen, a major extracellular matrix
ADAMTS14
Protein found in humans
gene encodes the alpha chain of type XII collagen, a member of the FACIT (fibril-associated collagens with interrupted triple helices) collagen family. Type
Collagen,_type_XII,_alpha_1
Diseases caused by abnormal protein structure
Sup35, and curli fibrils from the bacterium Escherichia coli. AII amyloid can be induced in mice by a variety of β-sheet rich amyloid fibrils, and cerebral
Proteinopathy
Models used in Parkinson's disease research
pre-formed fibrils (PFFs) are made in vitro utilizing recombinant α-synuclein monomers which will aggregate and form fibrils. The fibrils can then be
Animal models of Parkinson's disease
Animal_models_of_Parkinson's_disease
Type of connective tissue in animals
mainly hydrogen bonds and the fibrils conform to a typical diameter size between 25 and 400 nanometers in this fibril conformation. Markers used to measure
Type_I_collagen
Fungal protein found in Saccharomyces cerevisiae S288c
forming aggregates within the cells that can lead to the cells death. No fibril formation is seen at a concentration of 1uM of Hsp104. At low concentrations
Hsp104
Material composed of nanosized cellulose fibrils
cellulose (NFC), are nanosized cellulose fibrils with a high aspect ratio (length to width ratio). Typical fibril widths are 5–20 nanometers with a wide
Nanocellulose
Organic compound
walls of most plants, is a tough, mesh-like bulkwork in which cellulose fibrils are the primary architectural elements. While bacterial cellulose has the
Bacterial_cellulose
FACIT collagen (Fibril Associated Collagens with Interrupted Triple helices) is a type of collagen and also a proteoglycan that have two or more triple-helical
FACIT_collagen
Laws describing planetary orbits
Astronomiae Copernicanae. The laws were based on Kepler's concept of solar fibrils adapted to the accurate astronomical data of Tycho Brahe. These laws replaced
Kepler's laws of planetary motion
Kepler's_laws_of_planetary_motion
Group of peptides
angiopathy. The plaques are composed of aggregated Aβ oligomers called amyloid fibrils, a protein fold shared by other peptides such as the prions associated
Amyloid_beta
Species of lichen-forming fungus
growing 2–10 cm tall with slender, curved branches covered in papillae and fibrils, and distinctive disc-shaped reproductive structures (apothecia) surrounded
Usnea_florida
Medical condition
delicate and fragile as the wings of a butterfly. The deficiency in anchoring fibrils impairs the adherence between the epidermis and the underlying dermis.
Epidermolysis bullosa dystrophica
Epidermolysis_bullosa_dystrophica
López de la; Serrano, Luis (2004-01-06). "Sequence determinants of amyloid fibril formation". Proceedings of the National Academy of Sciences. 101 (1): 87–92
Protein aggregation predictors
Protein_aggregation_predictors
Fibrous protein involved in blood coagulation
polymerization. Double-stranded fibrils form through end-to-middle domain (D:E) associations, and concomitant lateral fibril associations and branching create
Fibrin
Chemical compound
(ΔE22-Aβ(1-39)) forms fibrils instantaneously, with low-thioflavin T fluorescence: seeding of wild-type Aβ(1-40) into atypical fibrils by ΔE22-Aβ(1-39)".
Thioflavin
Basis for articular and hyaline cartilage in animals
of collagen of articular cartilage. Type II collagen is organised into fibrils. This fibrillar network of collagen allows the cartilage to entrap the
Type_II_collagen
Protein filament that grows from follicles found in the dermis, or skin
structure. The whole bound assembly is called a macro-fibril. The long cells containing the macro-fibrils are bound by the "cell membrane complex". Located
Hair
Cloth bearing the alleged image of Jesus
The cloth is woven in a three-to-one herringbone twill composed of flax fibrils. Its most distinctive characteristic is the faint, brownish image of a
Shroud_of_Turin
Medication for transthyretin amyloidosis
Scripps Research Institute began looking for ways to inhibit transthyretin fibril formation in the 1990s. Tafamidis was eventually discovered by Kelly's team
Tafamidis
Class of synthetic fiber related to nylon
carcinogenic implications. However, in 2009, it was shown that inhaled aramid fibrils are shortened and quickly cleared from the body and pose little risk. A
Aramid
Symbiotic culture of bacteria and yeast
structures extending from their cell membranes called fibrils. The nanocellulose composing these fibrils demonstrates great strength and stability while still
SCOBY
Chemical compound
of rhodamine 123 and doxorubicin. The capacity of taxifolin to stimulate fibril formation and promote stabilization of fibrillar forms of collagen can be
Taxifolin
that Type V collagen is responsible for the formation of other collagen fibrils in different tissues within the body. According to studies, Collagen V
Type_V_collagen
Fiber-like protein strand
A microfibril is a very fine fibril, or fiber-like strand, consisting of glycoproteins and cellulose. It is usually, but not always, used as a general
Microfibril
Protein found in humans
alpha-synuclein adopts a cross-beta sheet structure characteristic of amyloid fibrils. The human alpha-synuclein protein consists of 140 amino acids. A fragment
Alpha-synuclein
Fibers obtained from natural sources
antibacterial properties. Chitin forms crystals that make fibrils that become surrounded by proteins. These fibrils can bundle to make larger fibers that contribute
Natural_fiber
Species of fungus in the family Agaricaceae
pinkish-gray to fawn-colored flattened fibrils or fine fibrillose scales (at least in the center). In maturity, the fibrils usually darken to brown, reddish-brown
Agaricus_hondensis
Chemical compound
differences in collagen fibril structures as a function of ageing in skin. A decrease in Young's modulus of the transverse fibril was observed. These changes
Glucosepane
beta sheet-rich tertiary structure that aggregates to form amyloid fibrils. These fibrils and oligomeric forms of Aβ deposit outside neurons in formations
Biochemistry of Alzheimer's disease
Biochemistry_of_Alzheimer's_disease
Mammalian protein found in humans
these molecules are processed, they arrange themselves into long, thin fibrils that cross-link to one another in the spaces around cells. The cross-links
Collagen,_type_I,_alpha_1
Disease of the human heart muscle
misassembles into amyloid fibrils which are insoluble and resistant to degradation. Due to this resistance to degradation, when amyloid fibrils accumulate in the
Familial amyloid cardiomyopathy
Familial_amyloid_cardiomyopathy
Protein found in humans
Chanut-Delalande H, Fichard A, Bernocco S, et al. (2001). "Control of heterotypic fibril formation by collagen V is determined by chain stoichiometry". J. Biol.
Collagen,_type_V,_alpha_3
Community of microorganisms in the gut
↓4-Hydroxy-2-nonenal levels ↓DNA damage –Antioxidant –Inhibits β-amyloid fibril formation Maintains mucosal reactivity: ↑IL-22 production Associated with
Gut_microbiota
Medical condition
person may progress to overt heart failure due to cardiomyopathy as amyloid fibril deposition in the heart muscle progresses. Further signs of cardiac involvement
AL_amyloidosis
Microorganisms in or on human skin and biofluids
↓4-Hydroxy-2-nonenal levels ↓DNA damage –Antioxidant –Inhibits β-amyloid fibril formation Maintains mucosal reactivity: ↑IL-22 production Associated with
Human_microbiome
Natural or synthetic fibers with diameters in the nanometer range
uniform diameter to make fibrils (solid nanofiber) and tubules (hollow nanofiber). This method can be used to prepare fibrils and tubules of many types
Nanofiber
Taste receptor cells
nerve fibrils after losing their medullary sheaths enter the taste bud, and end in fine extremities between the gustatory cells; other nerve fibrils ramify
Taste_bud
Italian condensed matter physicist
colloidal physics concepts to complex biological systems, particularly amyloid fibrils and other chiral filamentous materials such as nanocellulose. In 2010,
Raffaele_Mezzenga
Natural or synthetic substance that is significantly longer than it is wide
irregular fibers have been called fibrils. Natural cellulose, such as cotton or bleached kraft, show smaller fibrils jutting out and away from the main
Fiber
Structure extending off of the Sun's surface
of thin threads that trace the magnetic field similar to chromospheric fibrils. The cool prominence material that makes up spines and barbs—the prominence
Solar_prominence
Mammalian protein found in Homo sapiens
collagen and elastin, which is essential for stabilization of collagen fibrils and for the integrity and elasticity of mature elastin. Complex cross-links
Lysyl_oxidase
Species of bacterium
Streptococcus cristatus is a species of viridans Streptococcus with tufted fibrils, first isolated from the human oral cavity and throat. Viridians Streptococci
Streptococcus_cristatus
Soft outer covering organ of vertebrates
elasticity to the skin through an extracellular matrix composed of collagen fibrils, microfibrils, and elastic fibers, embedded in hyaluronan and proteoglycans
Skin
Chinese-American chemist
Aβ peptides involved in neurodegenerative diseases as well as amyloid fibrils formed by designed peptides. She showed that the peptide hormone glucagon
Mei_Hong_(chemist)
Main protein structure of fibrous collagen
known as tropocollagen. Collagen triple helices are often bundled into fibrils which themselves form larger fibres, as in tendons. Glycine, proline, and
Collagen_helix
Armor inspired by natural microstructures
coiled dimers to produce photo filaments, which further bind to form a photo fibril, then eventually an intermediate filament (IF). Within the outer wall of
Bioinspired_armor
Polymer of glucose and structural component of cell wall of plants and green algae
higher chain lengths. Cellulose consists of fibrils with crystalline and amorphous regions. These cellulose fibrils may be individualized by mechanical treatment
Cellulose
Internal framework of the body
of small muscle fibers. Each fiber comprises many tiny strands called fibrils, impulses from nerve cells control the contraction of each muscle fiber
Muscular_system
Medical condition
deposition of amyloids, foldable proteins that stick together to build fibrils in the heart. Amyloid cardiomyopathy is associated with a number of symptoms:
Amyloid_cardiomyopathy
Thin fibrous layer between the cells and the adjacent connective tissue in animals
include anchoring fibrils from the lamina densa, into the extracellular matrix (ECM) of the dermis. In the ECM the anchoring fibrils appear as cross-striated
Basement_membrane
Species of lichen
preponderance of sterile, straight hyphae and lack of coloured cyanobacterial fibrils. It is a member of the Dictyonema sericeum species complex, a group of
Dictyonema_album
Immunologist and neurologist, professor of pediatrics
hormones in regulating immune responses. His studies on amyloid fibrils showed that fibrils, such as those derived from β-amyloid and αB crystallin, can
Lawrence_Steinman
Protein found in humans
DJ (1997). "Mutations in fibrillar collagens (types I, II, III, and XI), fibril-associated collagen (type IX), and network-forming collagen (type X) cause
Collagen,_type_I,_alpha_2
Protein found in humans
domain flanked by two non-collagenous domains, and functions as an anchoring fibril between the dermal-epidermal junction in the basement membrane. Mutations
Collagen,_type_VII,_alpha_1
Gelatinous matrix within a sponge
tissue and contains several amoeboid cells such as amebocytes, as well as fibrils and skeletal elements. For a long time, it has been largely accepted that
Mesohyl
Species of fungus
with dark gray scales or fibrils in the center. The gills are white to gray. The stipe is whitish and covered with fibrils and sometimes dark scales
Tricholoma_nigrum
Interface between the epidermal and dermal layers of the skin
layer of the dermis are attached to the basement membrane by anchoring fibrils, which consist of type VII collagen. Interface dermatitis includes conditions
Dermoepidermal_junction
American-Yemeni neuroscientist
that fibril growth and seeding capacity are key determinants of amyloid-beta- and alpha-synuclein-mediated toxicity and showed that inhibiting fibril growth
Hilal_Lashuel
Peptide hormone
MR, Wall JS, Eisenberg D (November 2009). "Molecular basis for insulin fibril assembly". Proceedings of the National Academy of Sciences of the United
Insulin
When crystalline ordering in a solid only extends a short distance
amorphous materials such as wax, glass and liquids as well as the collagen fibrils of the stroma in the cornea. Besides ordering of atoms, short-range ordering
Short_range_order
Protein structural motif
supramolecular association of β-sheets has been implicated in the formation of the fibrils and protein aggregates observed in amyloidosis, Alzheimer's disease and
Beta_sheet
Medical condition
disease. The misfolding and aggregation of alpha-synuclein form toxic fibrils, which in turn form pathological inclusions, such as Lewy bodies. These
Synucleinopathy
Field in nanoscience and biomechanics
biological organization, and the smallest level, i.e., single collagen fibril and hydroxylapatite minerals have dimensions well below 100 nm. Therefore
Nanobiomechanics
Species of lichen-forming fungus
from fibril scars. The soredia are usually convex and often develop into blackish isidiomorphs (isidia-like outgrowths) that may elongate into fibril-like
Usnea_messutiae
Protein-coding gene in the species Homo sapiens
integrin binding and accelerates collagen fibril formation that determines the size and arrangement of collagen fibrils within the extracellular matrix (2)
Dermatopontin
Degenerative neurological disorder
neurodegenerative diseases are commonly called prion diseases. PrPC, the normal fibril cellular proteins responsible for a wide range of CNS functions, are misfolded
Creutzfeldt–Jakob_disease
Progressive neurodegenerative disease
is the formation of protein aggregates, beginning with alpha-synuclein fibrils and followed by Lewy bodies and Lewy neurites. The prion hypothesis suggests
Parkinson's_disease
Star-shaped organisms
fibroblasts develop the extracellular matrix (ECM) and pockets of collagen fibril. The area progressively matures over the span of about a week, ultimately
Starfish_regeneration
Species of fungus
blackish towards the base, greyish towards the apex, and pallid to whitish fibrils run the length of the stipe. The stipe is equal to slightly swollen at
Panaeolus_tropicalis
Protein-coding gene in humans
thought to be a factor in what gives rise to TMEM106B fibril formation. TMEM106B can form amyloid fibrils in a variety of neurodegenerative diseases and in
TMEM106B
Species of fungus
rhizomorphic strands. Veil inconspicuous, except for some white appressed silky fibrils on the pileus. Spores: Dark purple gray in deposit. (8.1)9.6 — 12(14) x
Psilocybe_galindoi
Dog breed
structure of the type-IV collagen fibrils of the glomerular basement membrane. As a consequence, the collagen fibrils of the glomerular basement membrane
Samoyed_dog
Central nervous system disease
gamma secretase and beta secretase. One of these fragments gives rise to fibrils of amyloid beta which can self-assemble into the dense extracellular amyloid
Neurodegenerative_disease
Abnormal sensation that bugs are crawling on or under the skin
over the skin. It is probably due to the successive irritation of nerve fibrils in the skin. At times patients who suffer from it will scarcely be persuaded
Formication
Protein-coding gene in humans
determine paracellular charge selectivity and resistance but not tight junction fibril architecture". Am. J. Physiol., Cell Physiol. 284 (6): C1346–54. doi:10
CLDN4
Tendon at the back of the lower leg
retro-achilles bursitis. Within the tendon, increased blood flow, tendon fibril disorganisation, and partial thickness tears may be identified. Achilles
Achilles_tendon
Kind of connective tissue in echinoderms
are determined by the extracellular materials that are made of collagen fibrils embedded in a hydrogel of proteoglycans. The dermis takes three mechanical
Catch_connective_tissue
FIBRIL
FIBRIL
FIBRIL
FIBRIL
Girl/Female
Muslim
One who travels
Boy/Male
Afghan, Arabic, Australian, Hindu, Indian, Iranian, Muslim, Parsi
Prophet's Name; Desire; Wish
Girl/Female
Hindu
Goddess Durga
Boy/Male
Indian, Punjabi, Sikh
Love for Sky
Surname or Lastname
English (Nottinghamshire)
English (Nottinghamshire) : diminutive of Pink 1.
Boy/Male
Muslim
Handsome, Water
Girl/Female
Arthurian Legend
Mother of Gawain.
Girl/Female
Australian, French, Hebrew, Swedish
Lion of God
Boy/Male
Arabic, Australian, French, Hebrew
Pleasant; Delightful
Girl/Female
Latin French
Wonderful.
FIBRIL
FIBRIL
FIBRIL
FIBRIL
FIBRIL
n.
A small fiber; the branch of a fiber; a very slender thread; a fibrilla.
a.
Covered with hairlike appendages, as the under surface of some lichens; also, composed of little strings or fibers; as, fibrillose appendages.
a.
Of of pertaining to fibrils.
a.
Within the nucleus of a cell; as. the intranuclear network of fibrils, seen in the first stages of karyokinesis.
a.
Of or pertaining to a nucleus; as, the nuclear spindle (see Illust. of Karyokinesis) or the nuclear fibrils of a cell; the nuclear part of a comet, etc.
n.
A minute thread of fiber, as one of the fibrous elements of a muscular fiber; a fibril.
a.
Furnished with fibrils; fringed.
n.
The indirect division of cells in which, prior to division of the cell protoplasm, complicated changes take place in the nucleus, attended with movement of the nuclear fibrils; -- opposed to karyostenosis. The nucleus becomes enlarged and convoluted, and finally the threads are separated into two groups which ultimately become disconnected and constitute the daughter nuclei. Called also mitosis. See Cell development, under Cell.
n.
One of group of two to four united cells which occupy the axial part of the ocelli, or ommatidia, of the eyes of invertebrates, and contain the terminal nerve fibrillae. See Illust. under Ommatidium.
a.
Of or pertaining to fibrils or fibers; as, fibrillar twitchings.
n.
The state of being reduced to fibers.
pl.
of Fibrilla
a.
Pertaining to, or composed of, fibers.