ホロクリン腺、全分泌腺
WordNet
- any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream (同)secretory organ, secretor, secreter
PrepTutorEJDIC
- (生物体内の)腺(せん)
- (腺細胞分裂による)完全分泌性の
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2015/09/17 00:51:12」(JST)
[Wiki en表示]
Exocrine Secretion
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Merocrine or eccrine – by exocytosis |
Apocrine – by membrane budding (loss of cytoplasm) |
Holocrine – by membrane rupture |
Holocrine is a term used to classify the mode of secretion in exocrine glands in the study of histology. Holocrine secretions are produced in the cytoplasm of the cell and released by the rupture of the plasma membrane, which destroys the cell and results in the secretion of the product into the lumen.
Holocrine secretion is the most damaging type of secretion, with merocrine secretion being the least damaging and apocrine secretion falling in between.
Examples of holocrine glands include the sebaceous glands of the skin and the meibomian glands of the eyelid. The sebaceous gland is an example of a holocrine gland because its product of secretion (sebum) is released with remnants of dead cells.[1]
References
- ^ Victor Eroschenko, diFiore's Atlas of Histology with functional correlations, Lippincot Williams and Wilkins, 10th edition, 2005. p. 41
External links
Epithelial tissue
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Cells |
- Squamous
- Cuboidal
- Columnar
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Types |
- Simple squamous epithelium
- Simple cuboidal epithelium
- Simple columnar epithelium
- Pseudostratified columnar epithelium
- Stratified squamous epithelium
- Stratified cuboidal epithelium
- Stratified columnar epithelium
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Glands |
Types |
Mechanism |
- Merocrine
- Apocrine
- Holocrine
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Shape |
- Tubular gland
- Alveolar gland
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Secretion |
- Serous glands
- Mucous glands
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Components |
- Myoepithelial cell
- Serous demilune
- Ducts:
- Interlobar
- Interlobular
- Intralobular
- Striated
- Intercalated
- Acinus/Lobe
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- See also
- Template:Epithelial neoplasms
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UpToDate Contents
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English Journal
- A role for ELOVL4 in the mouse meibomian gland and sebocyte cell biology.
- McMahon A1, Lu H, Butovich IA.
- Investigative ophthalmology & visual science.Invest Ophthalmol Vis Sci.2014 May 1;55(5):2832-40. doi: 10.1167/iovs.13-13335.
- PURPOSE: The meibum lipidome contains lipids with extremely long chain fatty acid (ELCFA) residues, longer than C28. Particular lipids based on extremely long chain (O-acyl)-ω-hydroxy fatty acids (OAHFA) are found in all mammal meibum and are proposed to stabilize the tear film by forming the inter
- PMID 24677106
- Glycerophospholipid analysis of Eastern red bat (Lasiurus borealis) hair by electrospray ionization tandem mass spectrometry.
- Pannkuk EL1, McGuire LP, Gilmore DF, Savary BJ, Risch TS.
- Journal of chemical ecology.J Chem Ecol.2014 Mar;40(3):227-35. doi: 10.1007/s10886-014-0388-2. Epub 2014 Feb 16.
- Pilosebaceous units found in the mammalian integument are composed of a hair follicle, the proximal portion of the hair shaft, a sebaceous gland, and the erector pili muscle. Pilosebaceous units release protective oils, or sebum, by holocrine secretion onto skin and hair through rupturing of sebocyt
- PMID 24532214
- A practical guide for the study of human and murine sebaceous glands in situ.
- Hinde E1, Haslam IS, Schneider MR, Langan EA, Kloepper JE, Schramm C, Zouboulis CC, Paus R.
- Experimental dermatology.Exp Dermatol.2013 Oct;22(10):631-7. doi: 10.1111/exd.12207.
- The skin of most mammals is characterised by the presence of sebaceous glands (SGs), whose predominant constituent cell population is sebocytes, that is, lipid-producing epithelial cells, which develop from the hair follicle. Besides holocrine sebum production (which contributes 90% of skin surface
- PMID 24079731
Japanese Journal
- ウズラ尾腺における Transglutaminase の分布
- 鈴木 敏彦,丸山 友裕,諸矯 正昭
- The journal of veterinary medical science 57(1), 55-58, 1995-02-15
- … 尾腺は holocrine 分泌を行うが, その分泌のメカニズムは, 細胞内 lysosome の酵素による自己分解によって引き起こされると, これまで説明されてきた. …
- NAID 110003916207
- Possible Modes of Salt Secretion in Avicennia marina in the Sinai
- Ish-Shalom-Gordon Naomi,Dubinsky Zvy
- Plant and cell physiology 31(1), 27-32, 1990-01-00
- … The second suggested mechanism is an holocrine one and begins with the accumulation of the secreted solution in the subcuticular space. …
- NAID 110003719712
- 雄ニホンカモシカの包皮腺の形態学的観察 : 血中テストステロン値の変動との関連について
- 沢田 雅治,千葉 敏郎,喜多 功
- 岐阜大学農学部研究報告 52, 243-255, 1987-12-25
- 1984年12月〜1985年3月,および1986年3月に岐阜県下で捕殺された雄ニホンカモシカのうち98頭について,包皮腺と皮膚の形態学的観察,および計量組織学的観察(包皮腺面積,腺胞数,分泌核数)を行った。この中30頭の個体については,血清テストステロン値の変動と包皮腺の形態学的変化との関係を検討した。また本研究中に包皮開口部に近い包皮外側表皮直下に偶然発見された包皮腺様構造物についても観察を行っ …
- NAID 110000976572
Related Links
- Holocrine is a term used to classify the mode of secretion in exocrine glands in the study of histology. Holocrine secretions are produced in the cytoplasm of the cell and released by the rupture of the plasma membrane, which destroys the cell ...
- Exocrine glands are named apocrine gland, holocrine gland, or merocrine gland based on how their product is secreted. Apocrine glands - a portion of the plasma membrane buds off the cell, containing the secretion. Examples ...
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