GLOSSARY. 49 



Ex'osperm (Gr. exo, outside; sperma, seed). The outer coat 



of the spore of a fern. 

 Expira'tion (L. ex, outwards; spiro, I breathe). The act of 



breathing out air from the lungs. 

 Extension (L. extensio, a stretching out). The straightening 



of a limb. 

 Exten'sor car'pi radia'lis brev'is (L. short radial extender ot 



the carpus). One of the muscles of the manus supplied 



to the third metacarpal. 

 Exten'sor car'pi radia'lis lon'gus (L. long radial extender of 



the carpus). One of the muscles of the manus supplied 



to the second metacarpal. 

 Exten'sor car'pi nlna'ris (L. extender of the ulnare of the car- 



pus). One of the muscles of the fifth digit of the manus. 

 Exten'sor commu'nis digitd'rnm (L. common extender of the 



digits). One of the muscles of the manus. 

 Exten'sor cru'ris bre'vis (L. short extender of the leg). A 



muscle passing from the femur to the cms. 

 Exten'sor minimi di'giti (L. extender of the little finger). A 



muscle of the fifth digit of the manus. 



Exten'sor os'sis metacar'pi pol'licis (L. extender of the meta- 

 carpal bone of the thumb). One of the dorsal muscles ot 



the manus. 

 Exten'sor pro'prius in'dicis (L. special extender of the index). 



A muscle of the manus supplied to the index finger. 

 Exten'sor pri'mi interno'dii pol'licis (L. extender of the first 



internode of the thumb). One of the muscles of the first 



digit of the manus. 

 Exten'sor secun'di interno'dii (L. extender of the second 



internode). One of the muscles of the first digit. 

 Ex'tine (L. ex, outwards). The external coating of a pollen 



grain. 



F. 



Fabel'lse (L. little fables). Sesamoid bones developed in the 

 tendons of the gastrocnemius muscle of the dog. 



Fa'ciaL Relating to the face, as the Facial (seventh) cerebral 

 nerves which supply the face. 



Fa'cies (L. appearance). A term used to denote the broad 

 general characteristics of the life of any region or epoch. 



Fae'ces (L. dregs). The material excreted by the bowels. 



Fal'ciform (L.falx, a sickle ; forma, form). Sickle- shaped. 



