| retinoscope | <instrument> An optical device used to illuminate a subject's retina during retinoscopy. Origin: retino-+ G. Skopeo, to view (05 Mar 2000) |
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| retinoscopy | <physiology> The study of the retina of the eye by means of the ophthalmoscope. Origin: Retina + -scopy. Source: Websters Dictionary (01 Mar 1998) |
| retinotomy | A surgical incision through the retina. (05 Mar 2000) |
| retinula | Origin: NL, dim. Of NL. & E. Retina. <zoology> One of the group of pigmented cells which surround the retinophorae of invertebrates. Source: Websters Dictionary (01 Mar 1998) |
| retinulate | <zoology> Having, or characterised by, retinul. Source: Websters Dictionary (01 Mar 1998) |
| retinyl phosphate | The phosphoester of all-trans retinol; essential for the biosynthesis of certain glycoproteins needed for growth regulation and for mucous secretion. (05 Mar 2000) |
| retiped | <zoology> A bird having small polygonal scales covering the tarsi. Origin: L. Rete a net + pes, pedis, a foot: cf. F. Retinopede. Source: Websters Dictionary (01 Mar 1998) |
| retired | 1. Private; secluded; quiet; as, a retired life; a person of retired habits. "A retired part of the peninsula." (Hawthorne) 2. Withdrawn from active duty or business; as, a retired officer; a retired physician. <astronomy> Retired flank, a list of officers, who, by reason of advanced age or other disability, are relieved from active service, but still receive a specified amount of pay from the government. Retired"ly, Retired"ness. Source: Websters Dictionary (01 Mar 1998) |
| retirement | 1. The act of retiring, or the state of being retired; withdrawal; seclusion; as, the retirement of an officer. "O, blest Retirement, friend of life's decline." (Goldsmith) "Retirement, rural quiet, friendship, books." (Thomson) 2. A place of seclusion or privacy; a place to which one withdraws or retreats; a private abode. "This coast full of princely retirements for the sumptousness of their buildings and nobleness of the plantations." (Evelyn) "Caprea had been the retirement of Augustus." (Addison) Synonym: Solitude, withdrawment, departure, retreat, seclusion, privacy. See Solitude. Origin: Cf. F. Retirement. Source: Websters Dictionary (01 Mar 1998) |
| retistene | <chemistry> A white crystalline hydrocarbon produced indirectly from retene. Source: Websters Dictionary (01 Mar 1998) |
| retitelae | <zoology> A group of spiders which spin irregular webs. Synonym: Retitelariae. Origin: NL, fr. Rete a net + tela a web. Source: Websters Dictionary (01 Mar 1998) |
| retnol | <chemistry> A hydrocarbon oil obtained by the distillation of resin, used in printer's ink. Origin: Gr. Resin + L. Oleum oil. Source: Websters Dictionary (01 Mar 1998) |
| retoperithelium | The reticular cells related to the reticular fibre network, as in the stroma of lymphatic tissue. Origin: L. Rete, net, + G. Peri, around, + Mod. L. Thelium, fr. G. Thele, nipple (05 Mar 2000) |
| retort | 1. The return of, or reply to, an argument, charge, censure, incivility, taunt, or witticism; a quick and witty or severe response. "This is called the retort courteous." (Shak) 2. [F. Retorte (cf. Sp. Retorta), fr. L. Retortus, p. P. Of retorquere. So named from its bent shape. See Retort. <chemistry> A vessel in which substances are subjected to distillation or decomposition by heat. It is made of different forms and materials for different uses, as a bulb of glass with a curved beak to enter a receiver for general chemical operations, or a cylinder or semicylinder of cast iron for the manufacture of gas in gas works. <chemistry> Tubulated retort, a retort having a tubulure for the introduction or removal of the substances which are to be acted upon. Synonym: Repartee, answer. Retort, Repartee. A retort is a short and pointed reply, turning back on an assailant the arguments, censure, or derision he had thrown out. A repartee is usually a good-natured return to some witty or sportive remark. See: Retort. Source: Websters Dictionary (01 Mar 1998) |
| Retortamonas | A genus of protozoan flagellates, one species of which, Retortamonas intestinalis, is found occasionally in the human intestine, although it is nonpathogenic and infrequently reported. Origin: L. Re-torqueo, to twist back, + G. Monas, single, a unit (05 Mar 2000) |
Synonyms : Rett Disorder, Rett's Disorder, Rett's Syndrome, Autism Dementia Ataxia Loss of Purposeful Hand Use Syndrome, Cerebroatrophic Hyperammonemias, Hyperammonemia, Cerebroatrophic, Hyperammonemias, Cerebroatrophic, Retts Syndrome, Syndrome, Rett, Syndrome, Rett's
| retinography |
(ret
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| retinol binding protein |
(RBP) an a-globulin synthesized and secreted by the liver. It binds retinol and transthyretin in a 1:1:1 ratio; the complex solubilizes retinol and protects it from glomerular filtration and renal excretion while transporting it to the peripheral tissues.
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| retinomalacia |
(ret
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| retinotopic |
(ret
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| retinotoxic |
(ret
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| RET | (military) a bugle call signaling the lowering of the flag at sunset |
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| RET | (military) a signal to begin a withdrawal from a dangerous position |
| RET | a place of privacy |
| RET | make a retreat from an earlier commitment or activity |
| RET | pull back or move away or backward |
| RET | move back |
| RET | move away, as for privacy |
| RET | a participant in a religious retreat |
| RET | people who have retreated |
| RET | moving back or away |
| RET | make a reduction, as in one's workforce |
| RET | tighten one's belt |