| 单词 | portal of exit |
| 释义 | > as lemmasportal of exit 4. Medicine. The place where a microorganism, parasite, or drug enters or leaves the body. Also: the area of the body where a beam of radiation enters or leaves it. Chiefly in portal of entry, portal of exit. Also called port. ΘΚΠ the world > health and disease > ill health > a disease > production of disease > [noun] > place of entry or exit portal1695 entry port1901 port1903 the world > health and disease > healing > medical treatment > treatment by medicine or drug > [noun] > place where drug enters or leaves system portal1695 port1903 1695 T. Byfield Short Disc. Small-pox 5 No fear People should burst or dye for want of outlets, every Pore will provide a Portal wide enough, when the Matter is sufficiently rarified from within. 1910 Jrnl. Amer. Med. Assoc. 24 Sept. 1109/2 We have been led..to view the nasopharynx as the location in the body to be regarded with special suspicion as being the portal of entry of the virus. 1921 Science 5 Aug. 104/1 This is best accomplished when they [sc. parasites] settle down and multipy near some portal of exit. 1931 Jrnl. Amer. Med. Assoc. 23 May 1756/1 If the portal is of limited area, the lateral scatter [of X-rays] is small. 1973 G. H. Fletcher & N. du V. Tapley in G. H. Fletcher Textbk. Radiotherapy (ed. 2) i. 65/1 With a 22 Mev beam and a single homolateral portal, the skin reaction is minimal on the entrance side and is moderate on the opposite side. 1977 Lancet 8 Jan. 78/1 Disposable devices are now becoming available for prolonged controlled delivery of appropriate drugs at other portals of entry such as the eye and uterus. 2004 N.Y. Rev. Bks. 23 Sept. 55/2 HIV usually enters the body through mucosal surfaces—augmenting an immune response at those portals of entry by using..mucosal AIDS vaccines might be an additional way to improve protection. < as lemmas |
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