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Recklinghausen Disease Of Nerve -- See Neurofibromatosis 1


An autosomal dominant inherited disorder (with a high frequency of spontaneous mutations) that features developmental changes in the nervous system, muscles, bones, and skin, most notably in tissue derived from the embryonic NEURAL CREST. Multiple hyperpigmented skin lesions and subcutaneous tumors are the hallmark of this disease. Peripheral and central nervous system neoplasms occur frequently, especially OPTIC NERVE GLIOMA and NEUROFIBROSARCOMA. NF1 is caused by mutations which inactivate the NF1 gene (GENES, NEUROFIBROMATOSIS 1) on chromosome 17q. The incidence of learning disabilities is also elevated in this condition. (From Adams et al., Principles of Neurology, 6th ed, pp1014-18) There is overlap of clinical features with NOONAN SYNDROME in a syndrome called neurofibromatosis-Noonan syndrome. Both the PTPN11 and NF1 gene products are involved in the SIGNAL TRANSDUCTION pathway of Ras (RAS PROTEINS).
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Recombinant Dna -- See DNA, Recombinant


Biologically active DNA which has been formed by the in vitro joining of segments of DNA from different sources. It includes the recombination joint or edge of a heteroduplex region where two recombining DNA molecules are connected.
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Recombinant Growth Hormone -- See Growth Hormone


A polypeptide that is secreted by the adenohypophysis (PITUITARY GLAND, ANTERIOR). Growth hormone, also known as somatotropin, stimulates mitosis, cell differentiation and cell growth. Species-specific growth hormones have been synthesized.
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Reconstruction U S History 1865 1877 Juvenile Literature : Dubowski, Cathy East.  1991 1
 

Reconstructive Surgical Procedures -- See Also Surgery, Plastic


The branch of surgery concerned with restoration, reconstruction, or improvement of defective, damaged, or missing structures.
  1
Reconstructive Surgical Procedures   5
 

Reconstructive Surgical Procedures Cosmetic -- See Reconstructive Surgical Procedures


Procedures used to reconstruct, restore, or improve defective, damaged, or missing structures.
  1
Reconstructive Surgical Procedures Encyclopedias English : Rinzler, Carol Ann.  2009 1
Reconstructive Surgical Procedures History United States : Haiken, Elizabeth.  1997 1
Reconstructive Surgical Procedures Methods   2
Reconstructive Surgical Procedures Methods Popular Works : Harris, James,  2003 1
Reconstructive Surgical Procedures Popular Works   2
Reconstructive Surgical Procedures Psychology : Pitts-Taylor, Victoria,  2007 1
 

Records As Topic -- See Records


Works on authentic evidence, of something having legal importance. The concept includes certificates of birth, death, etc., as well as hospital, medical, and other institutional records.
  1
 

Records Control -- See Forms and Records Control


A management function in which standards and guidelines are developed for the development, maintenance, and handling of forms and records.
  1
Records Directory   1982 1
Records Legislation And Jurisprudence : Chmara, Theresa.  2009 1
Records Legislation And Jurisprudence United States : Chmara, Theresa.  2009 1
Records United States Directory   1993 1
  Recovery Of Function -- 3 Related Mesh Subjects   3
Recovery Of Function   3
 

Recovery Period Anesthesia -- See Anesthesia Recovery Period


The period of emergence from general anesthesia, where different elements of consciousness return at different rates.
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Recovery Room Nursing -- See Postanesthesia Nursing


The specialty or practice of nursing in the care of patients in the recovery room following surgery and/or anesthesia.
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Recreation -- See Also the narrower term Popular culture


Here are entered works on literature, art, music, motion pictures, etc. produced for a mass audience. General works on learning and scholarship, literature, the arts, etc. are entered under Intellectual life.

--subdivision In popular culture under names of countries, cities, etc., and under names of individual deities, mythological or legendary figures, and fictitious characters
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Recreation   8
Recreation Handbooks : Isaac, Jeff.  2008 1
Recreation Therapy   2
 

Recreational Drug -- See Illicit Drugs


Drugs that are manufactured, obtained, or sold illegally. They include prescription drugs obtained or sold without prescription and non-prescription drugs. Illicit drugs are widely distributed, tend to be grossly impure and may cause unexpected toxicity.
  1
 

Recreational Drugs -- See Illicit Drugs


Drugs that are manufactured, obtained, or sold illegally. They include prescription drugs obtained or sold without prescription and non-prescription drugs. Illicit drugs are widely distributed, tend to be grossly impure and may cause unexpected toxicity.
  1
 

Recreational Horseback Riding Therapy -- See Equine-Assisted Therapy


Therapy assisted by the use of a horse and/or its movement, including equine-assisted psychotherapy, horseback riding, and hippotherapy.
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Recrudescence -- See Recurrence


The return of a sign, symptom, or disease after a remission.
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Rectal Cancer -- See Rectal Neoplasms


Tumors or cancer of the RECTUM.
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Rectal Fistulas : Warusavitarne, Janindra,  2021 1
Rectal Neoplasms Popular Works : Larson, Carol Ann.  2005 1
 

Rectal Tumors -- See Rectal Neoplasms


Tumors or cancer of the RECTUM.
  1
Rectum Cancer Popular Works : Ruggieri, Paul,  2001 1
 

Recurrence -- See Also Neoplasm Recurrence, Local


The local recurrence of a neoplasm following treatment. It arises from microscopic cells of the original neoplasm that have escaped therapeutic intervention and later become clinically visible at the original site.
  1
Recurrence   2002 1
Recurrence Prevention And Control   6
 

Red Cell Substitutes -- See Blood Substitutes


Substances that are used in place of blood, for example, as an alternative to BLOOD TRANSFUSIONS after blood loss to restore BLOOD VOLUME and oxygen-carrying capacity to the blood circulation, or to perfuse isolated organs.
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Red Cross History   2
Red Cross History United States : Dulles, Foster Rhea,  1950 1
 

Red Marrow -- See Bone Marrow


The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells.

--consider also terms at MYEL-
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Red Planet -- See Mars (Planet)


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Redox -- See Oxidation-Reduction


A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471).
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Reductive Pentose Phosphate Cycle -- See Photosynthesis


The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide using energy obtained from light rather than from the oxidation of chemical compounds. Photosynthesis comprises two separate processes: the light reactions and the dark reactions. In higher plants; GREEN ALGAE; and CYANOBACTERIA; NADPH and ATP formed by the light reactions drive the dark reactions which result in the fixation of carbon dioxide. (from Oxford Dictionary of Biochemistry and Molecular Biology, 2001)
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Reed Sternberg Cells -- See Also Hodgkin Disease


A malignant disease characterized by progressive enlargement of the lymph nodes, spleen, and general lymphoid tissue. In the classical variant, giant usually multinucleate Hodgkin's and REED-STERNBERG CELLS are present; in the nodular lymphocyte predominant variant, lymphocytic and histiocytic cells are seen.
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Reeriaght Ny Belg -- See Belgium


  1
Reeve Christopher 1952 2004   2007 1
 

Reference Books -- See Also Textbooks as Topic


Works about books used in the study of a subject that contain a systematic presentation of the principles and vocabulary of a subject.
  1
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