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出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2012/11/18 16:52:11」(JST)
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Hypertrophy |
Classification and external resources |
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MeSH |
D006984 |
Hypertrophy results from an increase in cell
size, while hyperplasia is from an increase in cell number.
Hypertrophy (from Greek ὑπέρ "excess" + τροφή "nourishment") is the increase in the volume of an organ or tissue due to the enlargement of its component cells. It should be distinguished from hyperplasia, in which the cells remain approximately the same size but increase in number. Although hypertrophy and hyperplasia are two distinct processes, they frequently occur together, such as in the case of the hormonally-induced proliferation and enlargement of the cells of the uterus during pregnancy.
Contents
- 1 Examples of hypertrophy
- 1.1 Muscular hypertrophy
- 1.2 Ventricular hypertrophy
- 1.3 Hypertrophy of the breasts
- 1.4 Hypertrophy of the clitoris
- 1.5 See also
- 2 External links
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Examples of hypertrophy
Muscular hypertrophy
Main article: Muscle hypertrophy
One of the two most common and visible forms of organ hypertrophy occurs in skeletal muscles in response to strength training (known as muscle hypertrophy). Depending on the type of training, the hypertrophy can occur through increased sarcoplasmic volume or increased contractile proteins.
Ventricular hypertrophy
Main article: Ventricular hypertrophy
Ventricular hypertrophy is the increase in size of the ventricles of the heart. Changes can be beneficial or healthy if they occur in response to aerobic or anaerobic exercise, but ventricular hypertrophy is generally associated with pathological changes due to high blood pressure or other disease states.
See also: Athletic heart syndrome
Hypertrophy of the breasts
Main article: Gigantomastia
Gigantomastia is the extreme growth of the breasts, i.e. 10 pounds (5 kg) per breast and more. In severe cases it is possible for women to have breasts that weigh well in excess of 20 lb (9 kg) each. Gigantomastia can occur as a rare complication of pregnancy, but also with the more frequently juvenile gigantomastia during puberty (virginal breast hypertrophy).
Hypertrophy of the clitoris
Main article: Clitoromegaly
In the most pronounced cases, clitoromegaly is a symptom of intersexuality since the large clitoris resembles a penis (the different grade of genital ambiguity is commonly measured by the Prader classification ranging, in ascending order of masculinisation, from 1: Female external genitalia with clitoromegaly through 5: Pseudo-phallus looking like normal male external genitalia).
See also
- Atrophy
- Davis's Law
- Hyperdynamic precordium
External links
- University of California Muscle Physiology Home Page: Hypertrophy
Medicine: Pathology
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Principles of pathology |
- Disease/Medical condition
- Hemodynamics
- Inflammation
- Wound healing
- Cell death
- Necrosis
- Liquefactive necrosis
- Coagulative necrosis
- Caseous necrosis
- Fat necrosis
- Apoptosis
- Pyknosis
- Karyorrhexis
- Karyolysis
- Cellular adaptation
- Atrophy
- Hypertrophy
- Hyperplasia
- Dysplasia
- Metaplasia
- Squamous
- Glandular
- Accumulations:
- pigment
- Hemosiderin
- Lipochrome/Lipofuscin
- Melanin
- Steatosis
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Anatomical pathology |
- Surgical pathology
- Cytopathology
- Autopsy
- Molecular pathology
- Forensic pathology
- Dental pathology
- Gross examination
- Histopathology
- Immunohistochemistry
- Electron microscopy
- Immunofluorescence
- Fluorescent in situ hybridization
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Clinical pathology |
- Clinical chemistry
- Hematopathology
- Transfusion medicine
- Medical microbiology
- Diagnostic immunology
- Immunopathology
- Enzyme assay
- Mass spectrometry
- Chromatography
- Flow cytometry
- Blood bank
- Microbiological culture
- Serology
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Specific conditions |
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UpToDate Contents
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English Journal
- Administration of Pigment Epithelium-Derived Factor Inhibits Airway Inflammation and Remodeling in Chronic OVA-Induced Mice via VEGF Suppression.
- Zha W1, Su M1, Huang M1, Cai J2, Du Q3.
- Allergy, asthma & immunology research.Allergy Asthma Immunol Res.2016 Mar;8(2):161-9. doi: 10.4168/aair.2016.8.2.161. Epub 2015 Nov 2.
- PURPOSE: Pigment epithelium-derived factor (PEDF) is a recently discovered antiangiogenesis protein. PEDF possesses powerful anti-inflammatory, antioxidative, antiangiogenic, and antifibrosis properties. It has been reported that PEDF can regulate vascular endothelial growth factor (VEGF) expression
- PMID 26739410
- Complete mitochondrial genome sequence and mutations of the cardiac hypertrophy model inbred rat strain (Muridae; Rattus).
- Zhu R1, Meng ZL1, Chen L1, Chen W1, Wang H2, Hong YQ1.
- Mitochondrial DNA.Mitochondrial DNA.2016 Mar;27(2):1165-6. doi: 10.3109/19401736.2014.936420. Epub 2014 Aug 11.
- In the present work we undertook the complete mitochondrial genome sequencing of a important cardiac hypertrophy model inbred rat strain for the first time. The total length of the mitogenome was 16,308 bp. It harbored 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes and 1 non
- PMID 25109625
- Transition of 1628C > T in mitochondrial tRNA(Val) gene should not be regarded as a mutation associated with hypertrophic cardiomyopathy.
- Zhu J1, Zhang X1, Li L1.
- Mitochondrial DNA.Mitochondrial DNA.2016 Mar;27(2):1340-2. doi: 10.3109/19401736.2014.945580. Epub 2014 Aug 6.
- Diagnosis of hypertrophic cardiomyopathy (HCM) involved the screening for the candidate pathogenic mitochondrial DNA (mtDNA) mutations. However, a poor genotype to phenotype correction is common. Neutral polymorphisms in mt-tRNA gene are recognized as a potential cause for HCM. Thus, assigning the p
- PMID 25097009
Japanese Journal
- 閉塞性肥大型心筋症合併妊娠の帝王切開で子宮収縮薬による循環変動に対しβ遮断薬が有用であった1症例
- 症例 心室中隔心筋切除術とlow-profile生体弁による僧帽弁置換術を行った閉塞性肥大型心筋症の1例
- 古川 貢之,阪口 修平,中村 栄作 [他]
- 胸部外科 = The Japanese journal of thoracic surgery 68(6), 449-452, 2015-06
- NAID 40020490998
- QTc Interval Prolongation Predicts Arrhythmia Recurrence After Catheter Ablation of Atrial Fibrillation in Patients With Hypertrophic Cardiomyopathy
- Wen Song-Nan,Liu Nian,Li Song-Nan [他]
- Circulation journal : official journal of the Japanese Circulation Society 79(5), 1024-1030, 2015-05
- NAID 40020437056
Related Links
- Hypertrophic definition, abnormal enlargement of a part or organ; excessive growth. See more. Thesaurus Translator Reference Word of the Day Blog Slideshows Apps by Dictionary My Account Log Out Log In follow Dictionary.com ...
- Hypertrophic Enlarged. Mentioned in: Heart Failure hypertrophic [-trof′ik] Etymology: Gk, hyper, excess, trophe, nourishment pertaining to an increase in size, structure, or function. hypertrophic characterized by a state of hypertrophy.
★リンクテーブル★
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- 英
- hypertrophic、hyperplastic
- 関
- 過形成、過形成性、肥大症、肥大性、肥大型
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- 関
- hyperplasia、hypertrophic
[★]
- 英
- hypertrophic
- 関
- 肥厚性、肥大症、肥大性
[★]
- 英
- hypertrophic
- 関
- 肥厚性、肥大症、肥大型
[★]
- 英
- hypertrophic
- 関
- 肥厚性、肥大性、肥大型
[★]
[★]
- 関
- Duchenne muscular dystrophy
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拡張相肥大型心筋症