Definition of helium

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Helium (n.) A gaseous element found in the atmospheres of the sun and earth and in some rare minerals.

Lern More About Helium

Ecteron :: Ecteron (n.) The external layer of the skin and mucous membranes; epithelium; ecderon.
Subequal :: Subepithelial (a.) Situated under the epithelium.
Parhelium :: Parhelium (n.) See Parhelion.
Ciliated :: Ciliated (a.) Provided with, or surrounded by, cilia; as, a ciliate leaf; endowed with vibratory motion; as, the ciliated epithelium of the windpipe..
Epithelium :: Epithelium (n.) The superficial layer of cells lining the alimentary canal and all its appendages, all glands and their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their appendages, -- the term endothelium being applied to the lining membrane of the blood vessels, lymphatics, and serous cavities..
Longan :: Longan (n.) A pulpy fruit related to the litchi, and produced by an evergreen East Indian tree (Nephelium Longan)..
Epithelioid :: Epithelioid (a.) Like epithelium; as, epithelioid cells..
Endothelium :: Endothelium (n.) The thin epithelium lining the blood vessels, lymphatics, and serous cavities. See Epithelium..
Rambutan :: Rambutan (n.) A Malayan fruit produced by the tree Nephelium lappaceum, and closely related to the litchi nut. It is bright red, oval in shape, covered with coarse hairs (whence the name), and contains a pleasant acid pulp. Called also ramboostan..
Throatwort :: Throatwort (n.) A plant (Campanula Trachelium) formerly considered a remedy for sore throats because of its throat-shaped corolla.
Corium :: Corium (n.) The deep layer of mucous membranes beneath the epithelium.
Litchi :: Litchi (n.) The fruit of a tree native to China (Nephelium Litchi). It is nutlike, having a rough but tender shell, containing an aromatic pulp, and a single large seed. In the dried fruit which is exported the pulp somewhat resembles a raisin in color and form..
Gorgerin :: Gorgerin (n.) In some columns, that part of the capital between the termination of the shaft and the annulet of the echinus, or the space between two neck moldings; -- called also neck of the capital, and hypotrachelium. See Illust. of Column..
Squamaceous :: Squama (n.) A scale cast off from the skin; a thin dry shred consisting of epithelium.
Mesothelium :: Mesothelium (n.) Epithelial mesoderm; a layer of cuboidal epithelium cells, formed from a portion of the mesoderm during the differetiation of the germ layers. It constitutes the boundary of the c/lum..
Myeloidin :: Myeloidin (n.) A substance, present in the protoplasm of the retinal epithelium cells, and resembling, if not identical with, the substance (myelin) forming the medullary sheaths of nerve fibers..
Endotheloid :: Endotheloid (a.) Like endothelium.
Endothelial :: Endothelial (a.) Of, or relating to, endothelium..
Epitheliums :: Epitheliums (pl. ) of Epitheliu.
Tubule :: Tubule (n.) A minute tube lined with glandular epithelium; as, the uriniferous tubules of the kidney..
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