258 GLOSSARY. 



Elimina'tion. [From the Lat. e, " out of," and limen, liminis, a " threshold."] 

 The act of expelling waste matters. Eliminate signifies, literally, to 

 throw out of doors. 



Em'bryo. The ovum and product of conception up to the fourth month, 

 when it becomes known as the foetus. 



Enarthro'sis. [From the Gr. en, " in," and arthron, a " joint."] An articu- 

 lation in which the head of one bone is received into the cavity of 

 another, and can be moved in all directions. 



Endocar'dium. [From the Gr. endon, " within," and kardia, " the heart."] 

 The lining membrane of the heart. 



En'dolymph. [From the Gr. endon, " within," and Lat. lympha, " water."] 

 The fluid in the membranous labyrinth of the ear. 



Endothe'lium. [From the Gr. endon, "within," and thele, the "nipple."] A 

 term applied to single layers of flattened transparent cells applied to 

 each other at their edges, and lining certain surfaces and cavities of the 

 body. In contradistinction to ephithelium. 



En'siform. [From the Lat. ensis, a " sword," and forma, " form."] Shaped 

 like a sword. 



En'zyme or Enzy'ma. [From the G*r. en, "in," and zume, "leaven."] A term 

 applied to a class of ferments. 



Ep'iblast. [From the Gr. epi, " upon," and blastos, a " germ," or " sprout."] 

 The external or upper layer of the germinal membrane. 



Epider'mis. [From the Gr. epi, "upon," and derma, the "skin."] The outer 

 layer of the skin. 



Epiglot'tis. [From the Gr. epi, "upon," and glottis, the "glottis."] The 

 cartilage at the root of the tongue which forms a lid or cover for the 

 aperture of the larynx. 



Epithelial. [From the Gr. epi, "upon," and thele, the "nipple."] Pertain- 

 ing to the epithelium, the cuticle covering the nipple, or any mucous 

 membrane. 



Eth'moid. [From the Gr. ethmos, a "sieve," and eidos, "form," "resem- 

 blance."] Sieve-like. A bone of the cranium, part of which is pierced 

 by a number of holes. 



Eusta'chian Tube. A tube extending from behind the soft palate to the 

 drum of the ear, first described by Eustachius. 



Fallo'pian. A term applied to tubes and ligaments first pointed out by the 



anatomist Fallopius. 

 Fas'cia, pi. Fas'cise. [Lat.] A bandage, that which binds ; a membranous 



fibrous covering. 

 Fau'ces. [Lat., pi. of faux, faucis, the "throat."] The cavity at the back of 



the mouth from which the larynx and pharynx proceed. 

 Fem'oral. Pertaining to the femur. 

 Fe'mur. [Lat.] The thigh. 

 Fenes'tra. [Lat.] A window. 



Fibril'la, pi. Fibril'lae. [Dim. of Lat./Jra, a "fibre."] A little fibre. 

 Fibrin'ogen. A proteid in blood plasma, main constituent of fibrin. 

 Fib'ula. [Lat. a " clasp."] The long splinter bone of the leg. 



