folded membrane
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serous membrane — n. the thin membrane lining most of the closed cavities of the body and folded back over the enclosed organs, as the peritoneum or pericardium … English World dictionary
thylakoid — noun a folded membrane within plant chloroplasts from which grana are made, used in photosynthesis … Wiktionary
polyptychial — Folded or arranged so as to form more than one layer. [G. polyptychos, having many folds or layers, fr. poly + ptyche, fold or layer] * * * poly·ptych·i·al .päl i tik ē əl adj arranged in more than one layer <polyptychial glandular cells> * … Medical dictionary
Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate … Wikipedia
cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… … Universalium
Transmembrane protein — A transmembrane protein is a protein that spans the entire biological membrane. Transmembrane proteins aggregate and precipitate in water. They require detergents or nonpolar solvents for extraction, although some of them (beta barrels) can be… … Wikipedia
Protein domain — Pyruvate kinase, a protein from three domains (PDB 1pkn) A protein domain is a part of protein sequence and structure that can evolve, function, and exist independently of the rest of the protein chain. Each domain forms a compact three… … Wikipedia
Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax … Wikipedia
reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… … Universalium
muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… … Universalium
