472 GLOSSARY 



Albu'mins. [From the Lat. albus, " white."] Thick, viscous substances 

 containing nitrogen, that are soluble in water, dilute acids, dilute 

 salines, and concentrated solutions of magnesium sulphate and so- 

 dium chloride. They are coagulated by heat and strong acids. Ex- 

 amples are : egg albumin and serum albumin of blood. 



Albuminu'ria. [A combination of the words " albumin " and " urine."] 

 Presence of albumin in the urine. 



Alimentary. [From the Lat. alimentum, "food."] Pertaining to ali- 

 ment, or food. 



Alve'oll. Plural of alveolus. [From the Lat. alveolus, a " little hollow."] 

 Any little cell, pit, cavity, fossa, or socket. Socket of a tooth or an 

 air-cell. 



Amoe'ba. [From the Gr. ameiho, to " change."] A single-celled organ- 

 ism, which is constantly changing its form by protrusions and with- 

 drawals of its substance. 



Amphiarthro'sis. [From the Gr. ampho, " both," and arthron, a " joint."] 

 A mixed articulation ; one which allows slight motion. 



Amphoteric. [From the Gr. amphoteros, " both."] Partly acid and partly 

 alkaUne in reaction ; having t;he power of turning red Utmus paper 

 blue, and blue htmus paper red. 



Ampul'la. [From the Lat. ampulla, a " globular vessel."] The dilated 

 part of a canal. 



Amylop'ins. [From the Gr. amylum, " starch," and opsis, " appear- 

 ance."] An enzjone of the pancreatic juice that has the power to 

 change starch into malt sugar, or maltose. Same as diastase. 



Anabol'ism. [From the Gr. anabole, a " thromng up."] The process 

 by means of which simpler substances are built up into more complex 

 substances. 



Anaesthe'sia. [From the Gr. a, an, " without," and aisthanomai, to 

 " perceive," to " feel."] A condition of insensibihty. 



Anastomo'sis. [From the Gr. ana, " by," " tlirough," and stoma, a 

 " mouth."] Conmiunication of branches of vessels with one another. 



An'nular. [From the Lat. aymulus, a " ring."] Ring-like, such as the 

 Ugaments found at some of the joints. 



Aor'ta. [From aorte, to " carry."] The great artery that carries blood 

 from the left ventricle of the heart. 



Apnoe'a. [From the Gr. a, " without," and pnwa, " breath."] Absence 

 of breathing. 



Aponetiro'sis. [From the Gr. apo, "from," and neuron, a "sinew" or 



