membrane

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mem·brane

 (mĕm′brān′)
n.
1. Biology
a. A thin, pliable layer of tissue covering surfaces or separating or connecting regions, structures, or organs of a living organism.
b. A semipermeable layer that bounds a cell or an organelle, typically consisting of lipids and proteins.
2. A thin, pliable sheet or layer of natural or synthetic material: the resonating membrane of a kazoo.
3. A piece of parchment.
4. Chemistry A thin sheet of natural or synthetic material that is permeable to substances in solution.

[Latin membrāna, skin, from membrum, member of the body.]

mem′bra·nal (-brə-nəl) adj.

membrane

(ˈmɛmbreɪn)
n
1. any thin pliable sheet of material
2. (Biology) a pliable sheetlike usually fibrous tissue that covers, lines, or connects plant and animal organs or cells
3. (Biology) biology a double layer of lipid, containing some proteins, that surrounds biological cells and some of their internal structures
4. (Atomic Physics) physics a two-dimensional entity postulated as a fundamental constituent of matter in superstring theories of particle physics
5. (Historical Terms) a skin of parchment forming part of a roll
[C16: from Latin membrāna skin covering a part of the body, from membrum member]

mem•brane

(ˈmɛm breɪn)

n.
1. a thin, pliable sheet or layer of animal or vegetable tissue, serving to line an organ, connect parts, etc.
2. any thin, pliable material used as a filter, separator, resonator, etc.
[1375–1425; late Middle English; Middle English membraan parchment < Latin membrāna. See member, -an1]
mem′brane•less, adj.

mem·brane

(mĕm′brān′)
1. A thin, flexible layer of tissue that covers, lines, separates, or connects cells or parts of an organism. See cell membrane.
2. Chemistry A thin sheet of natural or synthetic material that is permeable to substances in solution.

membrane

A thin lining or layer.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.membrane - a thin pliable sheet of materialmembrane - a thin pliable sheet of material  
drumhead, head - a membrane that is stretched taut over a drum
gel, gelatin - a thin translucent membrane used over stage lights for color effects
flat solid, sheet - a flat artifact that is thin relative to its length and width
2.membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plantsmembrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
trophoblast - the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall; "after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta"
chorioallantoic membrane, chorioallantois - the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois
web - membrane connecting the toes of some aquatic birds and mammals
Bowman's capsule, capsula glomeruli, glomerular capsule - thin double membrane surrounding the glomerulus of a nephron
animal tissue - the tissue in the bodies of animals
axolemma - outer membrane covering an axon
basilar membrane - a membrane in the cochlea that supports the organ of Corti
fetal membrane - any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus
choroid, choroid coat - a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye
ciliary body - the part of the tunic of the eye between the choroid coat and the iris; "the ciliary body produces aqueous humor"
cornea - the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera
diaphragm, midriff - (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
eardrum, myringa, tympanic membrane, tympanum - the membrane in the ear that vibrates to sound
endocranium - membrane lining the inside of the skull
endosteum - vascular membrane that lines the inner surface of long bones
ependyma - thin epithelial membrane lining the ventricles of the brain and the spinal cord canal
fertilization membrane - the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon
hyaloid, hyaloid membrane - the transparent membrane enveloping the vitreous humor of the eye and separating it from the retina
intima - the innermost membrane of an organ (especially the inner lining of an artery or vein or lymphatic vessel)
iris - muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye
lamella - a thin membrane that is one of the calcified layers that form bones
meninges, meninx - a membrane (one of 3) that envelops the brain and spinal cord
mucosa, mucous membrane - mucus-secreting membrane lining all body cavities or passages that communicate with the exterior
periosteum - a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone
perithelium - tissue layer around small blood vessels
retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
sarcolemma - an extensible membrane enclosing the contractile substance of a muscle fiber
semipermeable membrane - a membrane (as a cell membrane) that allows some molecules to pass through but not others
serosa, serous membrane - a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid
synovial membrane, synovium - a thin membrane in synovial (freely moving) joints that lines the joint capsule and secretes synovial fluid
adventitia, tunic, tunica - an enveloping or covering membrane or layer of body tissue
phospholipid - any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes

membrane

noun layer, film, skin, tissue, veil, diaphragm the mucous membrane

membrane

noun
A thin outer covering of an object:
Translations
غِشاء، أغْشِيَه
membránablána
hindemembran
kalvo
membrana
himna
membrana
apvalksmembrānaplēve
membrána

membrane

[ˈmembreɪn] Nmembrana f

membrane

[ˈmɛmbreɪn] nmembrane f

membrane

nMembran(e) f

membrane

[ˈmɛmbreɪn] nmembrana

membrane

(ˈmembrein) noun
a thin film or layer of tissue that covers or lines parts of the body, forms the outside of cells etc.

mem·brane

n. membrana, capa fina que sirve de cubierta o protección a una cavidad, estructura u órgano;
elastic ______ elástica;
mucous ______ mucosa;
nuclear ______ nuclear;
permeable ______ permeable;
placental ______ de la placenta;
semipermeable ______ semipermeable;
synovial ______ sinovial;
tympanic ______ timpánica.

membrane

n membrana; mucous — membrana mucosa; tympanic — membrana timpánica
References in periodicals archive ?
La tecnica de PAS permitio ademas poner de manifiesto la integridad y continuidad de la membrana basal, por lo cual resulto mas significativa para el analisis histopatologico de las muestras (Figuras A y B).
Para cada pajilla, se evaluo el porcentaje de espermatozoides vivos e integridad de membrana. En el caso del porcentaje de espermatozoides vivos, se obtuvo realizando una tincion supravital con eosina-nigrosina, donde los espermatozoides muertos se tineron de rojo y los vivos no presentaron tincion (Hafez, 2002).
Contract award notice: adquisicin de una unidad de fluoroespectroscopa y fotoactivacin en microdominios de membrana acoplada a microscopa de super-resolucin y fluorescencia de reflexin interna total (tirf), con destino al departamento de ciencias mdicas bsicas.
En la concentracion osmotica, el transporte de materia (figura 1A) se divide en tres fases: las etapas inicial y final son el movimiento de agua, desde el producto diluido a traves de la interface y desde la zona de condensacion, hacia la solucion concentrada; la etapa intermedia es cuando el vapor pasa a traves de la membrana (Romero, 2003; Thanedgunbaworn, Jiraratananon y Nguyen, 2009).
No caso da quitosana o pico em 1042 [cm.sup.-1] e atribuido ao estiramento -C-O e que tambem esta presente na ligacao com a membrana PAN/Quitosana em 1067 [cm.sup.-1].
al., 2012) son importantes para ayudar a disminuir la contaminacion ambiental; sin embargo, las celdas de combustible se proyectan como una opcion para el desarrollo de sistemas de generacion de energia electrica proporcionando una fuente mas amigable con el medio ambiente, destacandose las de membrana de intercambio protonico, porque generan altas densidades de corriente (Hooshyari et al., 2014; Franco et al., 2010; Hoyos et al., 2007).
Para caracterizar la morfologia de los gametos femeninos maduros se obtuvieron medidas del diametro total, del nucleo y del nucleolo y se seleccionaron distintas porciones celulares (nucleo, citoplasma y membrana citoplasmica) para analizar las estructuras especificas de cada region.
Por tal motivo, en este trabajo se ha considerado importante la construccion de un nuevo electrodo selectivo de membrana heterogenea formada por el complejo de par ionico cimetidina-acido fosfotungstico (CMT-AFT) y empleando el dibutilftalato (DBP) como plastificante y policloruro de vinilo (PVC) comoso porte o material inerte, a fin de evaluarsufuncionamientoporpotenciometriadirecta y aplicarloen la determinacion de cimetidina en formulaciones farmaceuticas comerciales.
No obstante, pueden resultar costosos y tan eficientes como otros metodos, por ejemplo, las emulsiones de membrana liquida (EML).