NERVOUS  See also:

• SYSTEM

SYSTEM) . The See also:

• NERVE (Lat. nervus, Gr. vevpov, a bowstring)

nerve cells are arranged in three See also:

• MAIN (from the Aryan root which appears in " may " and " might," and Lat. magnus, great)
• MAIN (Lat. Moenus)

main columns, ventral, intermedio-lateral and posterior vesicular . The ventral See also:

• CELL (from Lat. cella, probably from an Indo-European kal —seen in Lat. celare, to hide; another suggestion connects the word with Lat. cera, wax, taking the original meaning to refer to the honeycomb)

cell See also:

• COLUMN (Lat. columna)

column has the longest cells, and these are again sub-divided into antero-mesial, antero lateral, See also:

• POSTERN (from 0. Fr. posterne, posterle, Late Lat. posterula, small back-door, posterus, behind)

postern-lateral and central See also:

• GROUPS
• GROUPS, THEORY

groups . The intermedio lateral cell column is found in the lateral See also:

• HORN
• HORN (a common Teutonic word, cognate with Lat. cornu; cf. Gr. Kipas)
• HORN (Lat. cornu; corresponding terms being Fr. cor, trompe; Ger. Horn; Ital. corno)
• HORN, ARVID BERNHARD, COUNT (1664-1742)
• HORN, PHILIP DE MONTMORENCY, COUNT

horn of the thoracic region . compressed central See also:

• CANAL
• CANAL (from Lat. canalis, " channel " and " kennel " being doublets of the word)

canal (see fig . 5) . The See also:

• ORIGINAL

original ectodermal cells elongate and, radiating outward from the canal, are now known as spongioblasts, while the inner ends of some of them See also:

• BEAR
• BEAR, BLACK
• BEAR, BROWN
• BEAR, GRIZZLY
• BEAR, ISABELLINE
• BEAR, WHITE

bear See also:

• CILIA (plural of Lat. cilium, eyelash)

cilia and so the canal becomes ciliated . A number of See also:

• ROUND (O. Fr. rond, Lat. rotundus, the Fr. is the source also of Du. rond; Ger., Swed., Dan. and Nor. rond)

round. cells, known as germinal cells, now appear See also:

• CLOSE
• CLOSE (from Lat. clausum, shut)
• CLOSE, MAXWELL HENRY (1822-1903)

close to the central canal, except at the thin -See also:

• MID

mid-dorsal and mid-ventral laminae (roof-See also:

• PLATE

plate and See also:

• FLOOR (from O. Eng. flor, a word common to many Teutonic languages, cf. Dutch vloer, and Ger. Flur, a field, in the feminine, and a floor, masculine)

floor-plate) .