Definition of Membrane

1. Noun. A thin pliable sheet of material.

Specialized synonyms: Drumhead, Head, Gel, Gelatin
Generic synonyms: Flat Solid, Sheet
Derivative terms: Membranous

2. Noun. A pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants.

Definition of Membrane

1. n. A thin layer or fold of tissue, usually supported by a fibrous network, serving to cover or line some part or organ, and often secreting or absorbing certain fluids.

Definition of Membrane

1. Noun. A flexible enclosing or separating tissue forming a plane or film and separating two environments (usually in a plant or animal). ¹

2. Noun. A mechanical, thin, flat flexible part that can deform or vibrate when excited by an external force. ¹

3. Noun. A flexible or semi-flexible covering or waterproofing whose primary function is to exclude water. ¹

¹ Source:

Definition of Membrane

1. a thin, pliable layer of tissue [n -S]

Medical Definition of Membrane

1. A thin layer of tissue which covers a surface, lines a cavity or divides a space or organ. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Membrane

membrana tectoria
membrana tectoria ductus cochlearis
membrana tensa
membrana thyrohyoidea
membrana tympani
membrana tympani secundaria
membrana versicolor
membrana vibrans
membrana vitellina
membranae intercostalia
membrane (current term)
membrane-bound proton-translocating PPi synthase
membrane-coating granule
membrane-type 3 matrix metalloproteinase
membrane-type 4 matrix metalloproteinase
membrane-type matrix metalloproteinase
membrane attack complex
membrane bone
membrane capacitance
membrane depolarisation
membrane dipeptidase
membrane distillation
membrane enzyme
membrane expansion theory

Literary usage of Membrane

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"It is continuous externally with the skin through the anterior nares, and with the mucous membrane of the naso-pharynx through the posterior nares. ..."

2. Inside the Cell by Maya Pines (1990)
"THE SURFACE membrane, VERSATILE GATEKEEPER "In the beginning," writes Gerald Weissmann of New York University, "there must have been a membrane! ..."

3. Clinical Rheumatology: A Problem-oriented Approach to Diagnosis and Management by Roland W. Moskowitz (1921)
"... membrane may be considered as the most important tissue to the dentist, for upon it the usefulness of the teeth and their comfort to the individual is ..."

4. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1915)
"This is the well-known process of membrane elevation, or, as it is usually spoken of in this country, membrane formation. During elevation, the membrane ..."

5. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1893)
"The name is one well chosen, because it simply refers to the presence of a membrane which is the common feature. It is, perhaps, unfortunate that the name ..."

6. United States Supreme Court Reports by Lawyers Co-operative Publishing Company, United States Supreme Court (1887)
"On the middle of the membrane and parallel with it is a thin (trip of platinum cemented fast at one end whilst the other end is held by a binding post ..."

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