| tertiary cortex | <anatomy> Mid cortical region of lymph node, area that is particularly depleted of T lymphocytes in thymectomised animals and is referred to as the thymus dependent area. (18 Nov 1997) |
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| tertiary dentin | Morphologically irregular dentin formed in response to an irritant. Synonym: irregular dentin, irritation dentin, reparative dentin. (05 Mar 2000) |
| tertiary egg membrane | See: egg membrane. (05 Mar 2000) |
| tertiary medical care | Specialised consultative care, usually on referral from primary or secondary medical care personnel, by specialists working in a centre that has personnel and facilities for special investigation and treatment. (05 Mar 2000) |
| tertiary oesophageal contractions | <radiology> Disordered up-and-down movement of bolus, 5-10% of normal adults in 4-6th decade, location: distal 2/3 of oesophagus aetiology: presbyesophagus, diffuse oesophageal spasm, hyperactive achalasia, neuromuscular disease: diabetes, Parkinsonism, ALS, MS, thyrotoxic myopathy, myotonic dystrophy, obstruction of cardia: neoplasm, distal oesophageal stricture, benign lesion, surgery (repair of HH) findings: spontaneous repetitive nonpropulsive contraction (yo-yo motion), corkscrew appearance, compartmentalization of barium (rosary bead, shish kebab) (12 Dec 1998) |
| tertiary structure | <biochemistry, chemistry> The third level of structural organisation in a macromolecule. The primary structure of a protein (for example) is the amino acid sequence, the secondary structure is the folding of the peptide chain (alpha helical or beta pleated), the tertiary structure is the way in which the helices or sheets are folded or arranged to give the three dimensional structure of the protein. Quaternary structure refers to the arrangement of protomers in a multimeric protein. (13 Jan 1998) |
| tertiary syphilid | A syphilitic skin lesion characteristic of the third stage of the disease. (05 Mar 2000) |
| tertiary syphilis | <microbiology> An advanced (stage III) syphilitic infection (Treponema pallidum) affecting nervous structures. Symptoms include ataxia, dementia and tabes dorsalis (staggering gait and postural difficulties). (13 Jan 1998) |
| tertiary villus | The definitive chorionic villus with a vascular core separated from maternal blood by connective tissue, cytotrophoblast, and syncytiotrophoblast. (05 Mar 2000) |
| tertiary vitreous | Vitreous fibrils derived from the neuroepithelium of the ciliary body and forming the ciliary zonule. (05 Mar 2000) |
| tertiary structure |
In biochemistry, the tertiary structure of a protein is its overall shape. All protein molecules are simple unbranched chains of amino acids, but it is by coiling into a specific three-dimensional shape that they are able to perform their biological function. The tertiary structure that a protein assumes to carry out its physiological role inside a cell is known as the native state or sometimes the native conformation. A protein assumes tertiary structure by "folding". ...
출처: en.wikipedia.org/wiki/Tertiary_structure
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| tertiary |
The Tertiary period was previously one of the major divisions of the geologic timescale, from the end of the Cretaceous period about 65.5 million years ago to the start of the Quaternary period about 1.6 million years ago. Its use has been widespread and continues, however the International Commission on Stratigraphy no longer endorses this term as part of the formal stratigraphic nomenclature. ...
출처: en.wikipedia.org/wiki/Tertiary
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| tertian |
A chord structure built of thirds.
출처: highered.mcgraw-hill.com/sites/0072852607/student_...
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| tertiary structure |
The further folding of a protein bringing alpha-helices and beta-sheets into three-dimensional arrangements. The folding or coiling of the secondary structure to form a three-dimensional molecule.
출처: helios.bto.ed.ac.uk/bto/glossary/tuvwxyz.htm
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| tertiary |
Uppermost of the three major geological eras since advent of well preserved fossil organisms in the Cambrian: ie Primary, Secondary and Tertiary eras.
출처: www.fish.washington.edu/naturemapping/mollusks/glo...
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