| hess's law | <chemistry> In going from a particular set of reactants to a particular set of products, the enthalpy change is the same whether the reaction takes place in one step or a series of steps, in other words, enthalpy is a state function. (09 Jan 1998) |
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| Hess, Alfred | <person> U.S. Physician, 1875-1933. See: Hess' test. (05 Mar 2000) |
| Hess, Carl von | <person> German ophthalmologist, 1863-1923. See: Hess screen. (05 Mar 2000) |
| Hess, Walter | <person> Swiss physiologist and Nobel laureate, 1881-1973. See: trophotropic zone of Hess. (05 Mar 2000) |
| Hesselbach's fascia | The part of the superficial fascia of the thigh that covers the saphenous opening. Synonym: fascia cribrosa, Hesselbach's fascia. (05 Mar 2000) |
| Hesselbach's hernia | Hernia with diverticula through the cribriform fascia, presenting a lobular outline. (05 Mar 2000) |
| Hesselbach's ligament | <anatomy> Fibrous or muscular strands that lie medial to the deep inguinal ring, extending from the lower border of the transversus muscle to the lacunar ligament and pectineal fascia. Synonym: ligamentum interfoveolare, Hesselbach's ligament. (05 Mar 2000) |
| Hesselbach's triangle | The triangular area in the lower abdominal wall bounded by the inguinal ligament below, the border of the rectus abdominis medially and the inferior epigastric vessels (lateral umbilical fold) laterally. It is the site of direct inguinal hernia. Synonym: trigonum inguinale, Hesselbach's triangle, inguinal trigone. (05 Mar 2000) |
| Hesselbach, Franz | <person> German anatomist and surgeon, 1759-1816. See: Hesselbach's fascia, Hesselbach's hernia, Hesselbach's ligament, Hesselbach's triangle. (05 Mar 2000) |
| hessian | Of or relating to Hesse, in Germany, or to the Hessians. Hessian boots, or Hessians, boot of a kind worn in England, in the early part of the nineteenth century, tasseled in front. Hessian cloth, or Hessians, a coarse hempen cloth for sacking. Hessian crucible. See Crucible. <zoology> Hessian fly, a small dipterous fly or midge (Cecidomyia destructor). Its larvae live between the base of the lower leaves and the stalk of wheat, and are very destructive to young wheat; so called from the erroneous idea that it was brought into America by the Hessian troops, during the Revolution. Source: Websters Dictionary (01 Mar 1998) |
| hessite | <chemical> A lead-gray sectile mineral. It is a telluride of silver. Origin: After H. Hess. Source: Websters Dictionary (01 Mar 1998) |