A dictionary of terms used in medicine and the collateral sciences / by the late Richard D. Hoblyn.

  • Richard Hoblyn
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: A dictionary of terms used in medicine and the collateral sciences / by the late Richard D. Hoblyn. Source: Wellcome Collection.

Provider: This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.

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    to desiguato the more or less com- pleto loss of sijcecli from muscular paralysis, as in bulbar paralysis. ALA'RIS {ala, a wiug). Ptery- goid or wing-like ; as applied to each of the pterygoid processes of the spheuoid boue, &c, ALBI'NO {alhus, white). A ]iersou in wdiom tlio skin, hair, and iris are liglit, and the pigmentum of the eye is wanting. The term Albino is derived from the Portu- guuso, bj' wlioni it was a[)p]icd to individuals found on the coast of Africa, wlio resembled tlie negroes in every respect except in their colour, and wdio were consequently called Lcuc • yEihiopcs, white ne- groes. The ferret is supposed to be an albino polecat. See Alplw- sis* •ALBUGI'NEA {alhiis, white). AVhitish. The word tunica being understood, wo have the following terms :— 1. Albuginca oculi. The tunica sclerotica, or external fibrous membrane of the eye. The brilliancy of its whiteness has given rise to the popular expres- sion white of the eye. ■ 2. Albuginea testis. A thick fibrous membrane of a white appearance, forming the ^iroper tunic of the testis. ALBU'GO (albugo, whiteness, fdin, from albus, white). Leu- coma ; cornea opaca. A small opaque spot on the transparent cornea. ALBUMEN OF SEEDS {albus, wdiite). See Perisperm. ALBU'MIN, ALBU'MEN. The general term for all albumins. 1. Acid albumin. This form is prepared from a natural albumin, such as ovalbumin, by acting on the latter with an acid ; on neutralizing the li(iuid with an alkali, the pro- teid is precipitated. Mioscle albu- min, or syntmin, is an acid albu- min prepared from finely divided muscular fibre by the action of dilute acids. 2. Alkali albumin. This is pre- pared by treating a natural albu- min with a dilute alk.ali; neutral- ization precipitates the proteid. Casein is an alkali albumin found in milk. See Oascin. 3. Ovalbumin. Egg albumin. The albumin of the white of egg. A natural albuuiin readily coagu- lated by heat, and, if in saline solution, by ether. 4. Serum albumin. The albumin of the serum of blood, of cliylo, lymph, &c. ; it is a natural albu- min, and dilfors from ovalbumin in not being coagulated by ether when in saline solution, and in being more readily soluble in strong nitric acid, 5. Vegetable albimin. An albu- min found in the juices of plants ; it resembles in its properties oval- bumin. Albuminate. A compound re- sulting from the combination of albumin with a base. ALBU'MINOID DEGENERA- TION. See Amyloid degenera- tion. ALBU'MINOID or PROTEIN GROUP. A group of substances nearly identical in their chemical composition. These are, albumen, represented by the white of egg and the serum of blood ; fibrin, the muscular tissue of animals ; casein, found in solution in milk, and forming the basis of cheese ; and Icgumin, existing in tlie seeds of all leguminous plants. To these may be added globulin, mtellin, myosin, lardacein, febrinogen, Jibrinoplastin, and ■peptones. ALBU'MINOID AMMONIA. That ammonia which is given off when water is heated with a solution
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