blood-air barrier

血液空気関門

WordNet

1. a distinctive but intangible quality surrounding a person or thing; "an air of mystery"; "the house had a neglected air"; "an atmosphere of defeat pervaded the candidates headquarters"; "the place had an aura of romance" (同)aura, atmosphere
2. a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air"
3. once thought to be one of four elements composing the universe (Empedocles)
4. medium for radio and television broadcasting; "the program was on the air from 9 til midnight"; "the president used the airwaves to take his message to the people" (同)airwave
5. the region above the ground; "her hand stopped in mid air"; "he threw the ball into the air"
6. expose to warm or heated air, so as to dry; "Air linen"
7. broadcast over the airwaves, as in radio or television; "We cannot air this X-rated song" (同)send, broadcast, beam, transmit
8. be broadcast; "This show will air Saturdays at 2 P.M."
9. smear with blood, as in a hunting initiation rite, where the face of a person is smeared with the blood of the kill
10. temperament or disposition; "a person of hot blood"
11. people viewed as members of a group; "we need more young blood in this organization"
12. the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets; "blood carries oxygen and nutrients to the tissues and carries away waste products"; "the ancients believed that blood was the sea
13. a structure or object that impedes free movement
14. any condition that makes it difficult to make progress or to achieve an objective; "intolerance is a barrier to understanding" (同)roadblock
15. anything serving to maintain separation by obstructing vision or access
16. a short excursion (a walk or ride) in the open air; "he took the dogs for an airing"

PrepTutorEJDIC

1. 〈U〉『空気』,大気 / 《the ~》『空中』,空間,空(sky) / 《古》〈C〉そよ風,微風(breeze) / 《文》〈C〉(音楽の)ふし,旋律(melody) / 〈C〉様子,態度,風さい / 《複数形で》気どった様子 / 〈衣服など〉'を'空気にさらす,風にあてる / 〈部屋〉‘に'風を通す / 〈うわさ・意見など〉'を'言いふらす
2. 『血』,『血』液 / 流血(bloodshed);殺人 / 気質,気性,血気,血潮 / 『血統』,血縁(kinship);生まれ,家柄;《the~》王家の血統 / (人種・出身国の)系 / 〈人〉‘に'初めての経験をさせる / 〈猟犬〉‘に'初めて獲物を血を味わわせる
3. (通行をはばむ)『さく』,『障壁』;関門;《ふざけて》改札口 / (…の)『難関』,障害《+『to』+『名』》
4. 空気にあてること,虫干し / 《単数形で》外出,散歩 / (知識・意見などの)公開,周知
5. 純血の,純種の / 《複合語を作って》「…の血(性質)を持った」の意を表す

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/08/21 09:09:08」(JST)

wiki en

[Wiki en表示]

Alveolar–capillary barrier
Gaseous exchange in the lung
MeSH	Blood-Air+Barrier
Code	TH H3.05.02.0.00040

The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. It is formed by the type 1 pneumocytes of the alveolar wall, the endothelial cells of the capillaries and the basement membrane between the two cells. The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.

This blood gas barrier is extremely thin (approximately 2μm) (600–800 nm; in some places merely 200 nm) to allow sufficient oxygen diffusion, yet it is extremely strong. This strength comes from the type IV collagen in between the endothelial and epithelial cells. Damage can occur to this barrier at a pressure difference of around 40 millimetres of mercury (0.053 bar).

Failure of the barrier is often seen in racehorses and other domesticated horses due to exercise induced blood pressure rising above normal.^{[citation needed]}

Failure of the barrier may occur in a pulmonary barotrauma. This can be a result of several possible causes, including blast injury, and breathing gas entrapment or retention in the lung during depressurization, which can occur during ascent from underwater diving or loss of pressure from a pressurized vehicle, habitat or pressure suit.

A possible consequence of rupture of the blood–air barrier is arterial gas embolism

See also

• Pulmonary vein

References

External links

• Organology at UC Davis Respiratory/lung/vasc4/vasc – "Mammal, lung vasculature (EM, High)"
• Swiss embryology (from UL, UB, and UF) rrespiratory/phasen05

UpToDate Contents

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• 1. 赤血球抗原および抗体のプライマー a primer of red blood cell antigens and antibodies
• 2. 小児における動脈穿刺および動脈ライン挿入 arterial puncture and cannulation in children
• 3. 侵襲的モニタリングのための動脈カテーテル留置法 arterial catheterization techniques for invasive monitoring
• 4. 新生児における赤血球輸血 red blood cell transfusions in the newborn
• 5. 胎児の採血 fetal blood sampling

English Journal

• Ulinastatin decreases permeability of blood--brain barrier by inhibiting expression of MMP-9 and t-PA in postoperative aged rats.

• Ma L1, Zhang H2, Liu YZ1, Yin YL1, Ma YQ1, Zhang SS1.
• The International journal of neuroscience.Int J Neurosci.2016 May;126(5):463-8. doi: 10.3109/00207454.2015.1025394. Epub 2015 Jul 28.
• Tissue-type plasminogen activator (t-PA) and matrix metalloproteinase-9 (MMP-9) have been reported to play important roles in increased permeability of blood-brain barrier (BBB) under many pathological circumstances. We have showed that Ulinastatin, a broad-spectrum serine protease inhibitor, could
• PMID 26000820

• Improvement of cutaneous microcirculation by cold atmospheric plasma (CAP): Results of a controlled, prospective cohort study.

• Kisch T1, Helmke A2, Schleusser S3, Song J3, Liodaki E3, Stang FH3, Mailaender P3, Kraemer R3.
• Microvascular research.Microvasc Res.2016 Mar;104:55-62. doi: 10.1016/j.mvr.2015.12.002. Epub 2015 Dec 3.
• BACKGROUND: Cold atmospheric plasma (CAP) has proven its benefits in the reduction of various bacteria and fungi in both in vitro and in vivo studies. Moreover, CAP generated by dielectric barrier discharge (DBD) promoted wound healing in vivo. Charged particles, chemically reactive species (such as
• PMID 26655582

• Communication from the periphery to the hypothalamus through the blood-brain barrier: An in vitro platform.

• Martins JP1, Alves CJ2, Neto E3, Lamghari M4.
• International journal of pharmaceutics.Int J Pharm.2016 Feb 29;499(1-2):119-30. doi: 10.1016/j.ijpharm.2015.12.058. Epub 2015 Dec 28.
• One of the major routes of communication from the peripheral systems to the hypothalamus, the core structure of body homeostasis, is the humoral transmission through the blood-brain barrier (BBB). The BBB cultures are the in vitro model of choice to depict the mechanisms behind blood-brain interplay
• PMID 26732523

Japanese Journal

• Injury of Cell Tight Junctions and Changes of Actin Level in Acute Lung Injury Caused by the Perfluoroisobutylene Exposure and the Role of Myosin Light Chain Kinase

• MENG Ge,ZHAO Jian,WANG He-Mei,DING Ri-Gao,ZHANG Xian-Cheng,HUANG Chun-Qian,RUAN Jin-Xiu
• Journal of occupational health 53(4), 250-257, 2011-07-01
• NAID 10029139663

• Cell Injuries of the Blood-Air Barrier in Acute Lung Injury Caused by Perfluoroisobutylene Exposure

• MENG Ge,ZHAO Jian,WANG He-Mei,DING Ri-Gao,ZHANG Xian-Cheng,HUANG Chun-Qian,RUAN Jin-Xiu
• Journal of occupational health 52(1), 48-57, 2010-01-01
• NAID 10025966672

Related Links

• Blood–air barrier - Wikipedia, the free encyclopedia

The alveolar–capillary barrier (or membrane, or blood–air barrier) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. It is formed by the type 1 ...

• blood-air barrier - Medical Dictionary - The Free Dictionary

barrier /bar·ri·er/ (bar´e-er) an obstruction. alveolar-capillary barrier , alveolocapillary barrier see under membrane. blood-air barrier alveolocapillary membrane. blood-aqueous barrier the physiologic mechanism that prevents exchange of ...

Related Pictures

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★リンクテーブル★

リンク元	「血液空気関門」「air-blood barrier」
関連記事	「barrier」「air」「AIR」「blood」

「血液空気関門」

　　[★]

英

blood-air barrier

同

血液-ガス関門

関

胎盤関門、血液脳関門

「air-blood barrier」

　　[★]

血液空気関門

関

blood-air barrier

「barrier」

　　[★]

• n.

• 障害、バリア、バリアー、関門、障壁、バリヤー

関

damage、difficulty、disorder、disturbance、dysfunction、foe、hindrance、impair、impairment、impediment、lesion、obstacle

　 　 　 　

「air」

　　[★]

• n.

• 空気、大気、気体

関

aerial、aero、atmosphere、atmospheric、gas

　 　 　 　 　 　 　 　 　

「AIR」

　　[★]

同

5-aminoimidazole ribotide

「blood」

　　[★] 血液