172 - GLOSSARY. 



Emmetro'pia. The passive, normal, or healthy condition of 

 eye, in which images of objects are focussed upon the 

 retina without any special effort of accommodation. 



Dinul'sion. (L. emulus, milked out, drained out from e, out 

 of; mulgeo, I milk). A minute division and suspension 

 of a fatty substance in water, from which it can be 

 recovered without any appreciable loss or change. 



Endomys'ium (Gr. endon, within ; mus, a muscle). The 

 connective tissue sheath immediately surrounding a 

 muscle fibre. 



Endone'urium (Gr. endon, within ; neuron, a nerve). The 

 connective tissue sheath immediately surrounding a 

 nerve fibre. 



Eneure'sis, Involuntary discharge of urine. 



Ento'tical phenomena (Gr. entos, within ; ous, the ear). 

 Abnormal sounds produced in the auditory apparatus ; 

 e.g. tinnitus. 



Epicar'dium (Gr. epi, upon; kardia, the heart). The visceral 

 reflection of the pericardium. 



Epidu'ral space (Gr. epi, upon; durus, hard). The lymph 

 space outside dura mater of spinal cord. 



Epitro'chleo-anconeus. A muscle extending from internal 

 condyle of humerus to olecranon process of ulna. 



Epony'chium (Gr. epi, upon ; onux, a talon or claw). A 

 layer of horny epithelium which precedes and covers the 

 nail. 



Erythro'dextrin. A variety of dextrin which gives a red 

 reaction with iodine. Occurs during the process of 

 conversion of starch into maltose by action of saliva. 



Eseri'ne. The active principle of Calabar bean : produces 

 contraction of pupil and ciliary muscle; is therefore a 

 myotic. Also called " Plysostigmine." 



Eupnse'a (Gr. eu, well ; pneuma, air or breath). Normal 

 respiration. 



Eusta'ehian bar. The embryonic predecessor of internal 

 pterygoid plate, eustachian tube, and tensor tympani. 



Exci 'to-motor. Impulses which reflexly give rise to move- 

 ments. 



Exci'to-secretory. Impulses which reflexly give rise to se- 

 cretion. 



External capsule. A band of white matter of brain which 

 separates the lenticular nucleus from claustrum. 



