CEP- 



kephale, the head.] The upper- 

 most chamber of monaxonic Radio- 

 larian shells (zool.). 

 cephalization (kef'aliza'shun, s6f-) n. 

 [Gk. kephale, the head.] Increasing 

 importance of the anterior end in 

 animal development (zool.). 



cephalont (kgf'alont, s6f-) n. [Gk. 

 kephale, the head.] A sporozoan 

 about to proceed to spore-formation 

 (zool.). 



cephalopoda (kgf'alopodz, sef-) n. plu. 

 [Gk. kephale, the head ; pous, the 

 foot.] Animals with muscular, 

 sucker-bearing arms on the head 

 region (zool.). 



cephalostegite (kef'alosteg'it, s6f-) n. 

 [Gk. kephale, head ; siege, roof.] 

 The anterior part of the cephalo- 

 thoracic shield (zool.). 



cephalostyle (kefalostll, s6f-) n. [Gk. 

 kephale, head ; stylos, a pillar.] 

 The anterior end of the notochord 

 enclosed in its sheath, in chondro- 

 crania (zool.). 



cephalotheca (kgf'alothe'ka, sef-) n. 

 [Gk. kephale, head ; theke, a case.] 

 The head integument in the pupa 

 of insects (zool.). 



cephalothorax (kef'alotho'raks, s6f-) 

 n. [Gk. kephale, head ; thorax, 

 breast.] The body-region formed 

 by the fusion of head and thorax in 

 Arachnids and Crustaceans (zool.). 



cephalotrocha (ket'alotrS'ka, sSf-) n. 

 [Gk. kephale, head ; trochos, a 

 wheel.] A Turbellarian larva with 

 eight processes arranged round 

 the mouth (zool.). 



cerata (keYata, sera'ta) n. plu. [Gk. 

 keras, horn.] Lobes or leaf-like 

 processes acting as gills on the 

 back of nudibranch molluscs (zool.). 



ceratlum (sera'shium, sera'tium) n. 

 [Gk. keration, little horn.] A siliqua 

 without the replum (bot.). 



ceratohyal (keYatohi'al, ser-) n. [Gk. 

 keras, horn ; hyoeides, Y-shaped.] 

 The component of the hyoid arch 

 next below the epihyal (zool.). 



cereal (seYkal) a. [Gk. kerkos, tail.] 

 Pert, the tail (zool.). 



cercarla (sgrka'ria) n. [Gk. kerkos, 

 tail.] A trematode larva with a 

 slightly heart-shaped body and 

 long tail (zool.). 



cercl (ser'ke, seYsl) n. plu. [Gk. 



46 CER- 



kerkos, tail.] Jointed appendages 

 at the end of the abdomen in many 

 Arthropods (zool.). 



cere (ser) n. [L. cera, wax.] A 

 swollen fleshy patch at the proximal 

 end of the bill in birds, on which 

 the nostrils open. 



cerebellar (ser'ebeTar)a. [L. cerebrum, 

 the brain.] Pert, the hind-brain 

 (anat.). 



cerebellum (ser'ebeTum) n. [L. 

 cerebrum, the brain.] The fourth 

 division of the brain arising from 

 the differentiation of the anterior 

 part of the third primary vesicle 

 (anat.). 



cerebral (ser'ebral) a. [L. cerebrum, 

 the brain.] Pert, the brain ; pert. 

 the anterior part of the brain or 

 cerebral hemispheres. 



cerebrifugal (ser'ebrifu'gal) a. [L. 

 cerebrum, the brain ; fugere, to 

 flee.] Appl. nerve fibres which 

 pass from brain to spinal cord 

 (Phys.). 



cerebroganglion (ser'ebrogang'glion) 

 n. [L. cerebrum, the brain ; Gk. 

 ganglion, a swelling.] The brain, 

 or supra-oesophageal ganglia of 

 invertebrates (zool.). 



cerebropedal (ser'gbrope'dal) a. [L. 

 cerebrum, the brain ; pes, a foot.] 

 Appl. nerve strands connecting the 

 cerebral and pedal ganglia in 

 Molluscs (zool.). 



cerebrospinal (ser'ebrbspl'nal) a. [L. 

 cerebrum, the brain ; spina, the 

 spine.] Pert, brain and spinal 

 cord (anat.}. 



cerebrovisceral (ser'ebrovis'eral) a. 

 [L. cerebrum, the brain ; viscera, 

 viscera.] Appl. the connective 

 joining the cerebral and visceral 

 ganglia in Molluscs (zool.). 



cerebrum (ser'ebrum) n. [L. cerebrum, 

 the brain.] The fore-brain, or 

 hemispheres, arising from the 

 differentiation of the first primary 

 vesicle (zool.). 



ceriferous (serlferus) a. [L. cera, 

 wax ; ferre, to carry.] Appl. wax- 

 producing organs (btol.). 



cernuous (seYnuus) a. [L. cernuus, 

 with face turned downwards.] 

 Drooping ; pendulous (bot.). 



ceroma (sero'ma) n. [Gk. keroma, 

 ointment.] The cere of birds (zool.). 



