26 GLOSSARY. 



Cho'roid (Gr. choros, a choir; eidos, form). A structure made 



up of a combination of small blood-vessels, as the choroid 



plexuses of the brain and the middle coat of the eye. 

 Chroma'tophores (Gr. chroma, colour; phoreo, I bear, carry). 



Pigment-sacs in the integument of the Cephalopoda. 

 Chry 'sails (Gr. chrusos, gold). The pupa stage of an insect, so 



called because it is then sometimes of a golden colour. 

 Chyle (Gr. chylos, juice). The nutritious fatty material taken 



up by the lacteals. 



Chylifica'tion. The conversion of food into chyle. 

 Chyme (Gr. chuma, a thing poured). The material of the food 



which passes from the stomach to the intestine. 

 Chymifica'tion. The conversion of food into chyme. 

 Cicatri'cula (L. a little. scar). The scar left after the falling of 



a leaf from a plant; the hilum or base of the seed of 



a plant. A term sometimes applied to the blastoderm or 



germinal membrane of an ovum. 

 Cica'trix (Latin). A scar. 

 Cilia (L. cilmm, an eyelash). Minute spontaneously vibratile 



filaments found in various parts of the body of both higher 



and lower animals. 

 Ciliary li'g-ament (L. cifium, an eyelash ; ligo, 1 bind). See 



Ciliary muscle, for which it is an obsolete term. 

 Ciliary mus'cle (L. cikum, an eyelash). A small muscle, 



situated between the anterior parts of the choroid and 



sclerotic coats of the eye. 

 Ciliary pro'cesses (L. cilmm, an eyelash;. The anterior 



terminations of the choroid coat of the eye. 

 Cilia'ta (L. ciltum, an eyelash). A division of the Infusoria. 

 Cin'gulum (L. a girdle). The basal part of the crown of a 



tooth. In the earthworm, a swollen region of the body 



into which more or fewer segments between the twenty- 

 fourth and thirty-sixth enter. 

 Cir'culus arti'culi vasculo'sus (L. vascular circle of the joint). 



The narrow vascular border formed by the synovial 



vessels round the articular cartilages. 

 Cir'culus cepha'licus (L. head- circle). A circle formed by 



the arteries beneath the base of the skull in Teleostean 



fishes. 

 Cir'culus ma'jor (L. greater circle). A vascular ring in the 



iris. 

 Circulus mi'nor (L. lesser circle). A small vascular circle 



round the pupil. 



