357:
2036:
333:
345:
289:) in the midbrain before emerging from the brainstem posteriorly/dorsally. In other words, trochlear nucleus on one side gives rise to the trochlear nerve on the contralateral side. A lesion of the trochlear nucleus thus affects the contralateral eye, whereas lesions of all other cranial nuclei affect the ipsilateral side.
29:
84:
858:
1917:
1912:
1841:
1696:
1676:
1681:
1282:
174:
1859:
1686:
1010:
332:
2077:
1633:
1628:
1691:
1501:
1292:
786:
279:
1907:
1220:
1058:
344:
496:
1491:
2013:
1486:
150:
1506:
1229:
1215:
266:. As with all motor nuclei of cranial nerves, it is located near the midline (i.e. in the medial midbrain). It is embedded within the
1864:
1496:
1474:
450:
356:
285:
The trochlear nucleus is unique in that its axons run dorsally and cross the midline at the trochlear decussation (located in the
1981:
1812:
1807:
1763:
1758:
1469:
810:
719:
181:
2070:
1789:
1784:
793:
781:
1986:
1897:
835:
750:
702:
267:
62:
1938:
1902:
169:
1205:
815:
380:
1051:
1005:
878:
2101:
1717:
707:
489:
2063:
1161:
1122:
302:
468:
1836:
1534:
1459:
1287:
903:
298:
1974:
1829:
1824:
1819:
1414:
1297:
886:
286:
471:
at the
University of Michigan Health System - "Brainstem, Cranial Nerve Nuclei, Sagittal Section, Medial View"
1548:
1044:
868:
600:
34:
309:; disruption of blood flow through any of these vessels may disrupt blood supply to the trochlear nucleus.
1606:
1436:
1421:
1409:
827:
482:
157:
145:
1877:
1664:
1017:
960:
950:
773:
724:
381:"Trochlear | Definition of Trochlear by Oxford Dictionary on Lexico.com also meaning of Trochlear"
1872:
1594:
1524:
1449:
955:
896:
525:
89:
125:
2005:
1389:
1307:
945:
848:
745:
714:
550:
545:
538:
533:
263:
259:
1464:
1384:
1200:
798:
663:
634:
92:
schematically represented; dorsal view. Motor nuclei in red; sensory in blue. (Trochlear is "IV")
2096:
1996:
1582:
1577:
1560:
863:
740:
695:
652:
642:
616:
595:
446:
418:
69:
2047:
2035:
1969:
1943:
1933:
1722:
1712:
1589:
1529:
1348:
1327:
1317:
1270:
1224:
1188:
976:
940:
690:
271:
205:
1957:
1659:
1565:
1322:
1241:
1137:
1110:
989:
514:
318:
239:
1654:
1572:
1481:
1426:
1339:
1132:
1076:
1068:
570:
306:
2090:
1776:
1747:
1669:
1646:
1617:
1431:
1088:
984:
932:
2043:
1401:
1368:
1171:
928:
891:
672:
580:
338:
Nuclei of origin of cranial motor nerves schematically represented; lateral view.
138:
1736:
1176:
1149:
972:
853:
764:
562:
410:
388:
120:
162:
422:
474:
506:
275:
251:
235:
132:
350:
Scheme showing central connections of the optic nerves and optic tracts.
187:
1889:
1851:
1036:
83:
108:
1799:
1040:
478:
859:
Rostral interstitial nucleus of medial longitudinal fasciculus
226:
28:
217:
297:
The midbrain receives its arterial blood supply from the
409:
Kim, Seung Y.; Motlagh, Mahsaw; Naqvi, Imama A. (2022),
2051:
250:
The trochlear nucleus is located in the caudal rostral
270:. It is situated immediately below the nucleus of the
220:
274:(the only other cranial nerve with a nucleus in the
223:
214:
211:
1995:
1956:
1926:
1888:
1850:
1798:
1774:
1745:
1735:
1705:
1644:
1615:
1605:
1547:
1517:
1447:
1398:
1377:
1367:
1338:
1269:
1240:
1187:
1148:
1109:
1075:
998:
971:
927:
920:
877:
826:
772:
763:
733:
680:
671:
662:
651:
633:
609:
588:
579:
561:
524:
513:
208:
168:
156:
144:
131:
119:
107:
102:
97:
21:
445:(2nd ed.). Basel: S. Karger. pp. 50–51.
417:, Treasure Island (FL): StatPearls Publishing,
2071:
1052:
490:
8:
282:, which functions in preserving dentition).
411:"Neuroanatomy, Cranial Nerve 4 (Trochlear)"
2078:
2064:
1742:
1612:
1374:
1059:
1045:
1037:
924:
769:
677:
668:
659:
585:
521:
497:
483:
475:
258:, at an intercollicular level between the
82:
27:
280:mesencephalic nucleus of trigeminal nerve
443:Cytoarchitecture of the Human Brain Stem
441:Baxter, Donald; Olsewski, Jerzy (1982).
372:
328:
185:
18:
7:
2032:
2030:
404:
402:
400:
398:
234:) is a motor nucleus in the medial
2050:. You can help Knowledge (XXG) by
385:Lexico Dictionaries | English
240:trochlear nerve (cranial nerve IV)
14:
16:Motor nucleus of cranial nerve IV
2034:
720:Anterior trigeminothalamic tract
355:
343:
331:
204:
182:Anatomical terms of neuroanatomy
836:Rostromedial tegmental nucleus
268:medial longitudinal fasciculus
200:nucleus of the trochlear nerve
63:medial longitudinal fasciculus
1:
1939:Dorsal nucleus of vagus nerve
1006:Superior cerebellar peduncle
879:Midbrain reticular formation
1718:Inferior salivatory nucleus
708:Vestibulo-oculomotor fibers
362:Brain stem sagittal section
42:interfascicular subnucleus,
2118:
2029:
1162:lateral geniculate nucleus
1123:anterior olfactory nucleus
303:superior cerebellar artery
1842:Superior cervical cardiac
1535:Superior salivary nucleus
1288:spinal trigeminal nucleus
904:Reticulotegmental nucleus
844:
299:posterior cerebral artery
272:oculomotor nerve (CN III)
180:
114:nucleus nervi trochlearis
81:
26:
1975:spinal accessory nucleus
1415:pterygopalatine ganglion
1206:Edinger–Westphal nucleus
887:dorsal tegmental nucleus
816:Edinger–Westphal nucleus
287:superior medullary velum
52:ventrolateral subnucleus
1357:no significant branches
1259:no significant branches
1099:no significant branches
869:Interpeduncular nucleus
601:Central tegmental tract
35:nucleus raphes dorsalis
1677:Stylopharyngeal branch
1437:submandibular ganglion
1422:Nerve to the stapedius
828:Ventral tegmental area
1018:Interpeduncular fossa
961:Temporopontine fibers
725:Dentatothalamic tract
391:on November 12, 2020.
1525:Facial motor nucleus
1221:parasympathetic root
956:Frontopontine fibers
951:Corticopontine tract
526:Corpora quadrigemina
90:cranial nerve nuclei
1837:Recurrent laryngeal
1682:Pharyngeal branches
1460:Posterior auricular
1308:trigeminal ganglion
946:Corticobulbar tract
941:Corticospinal tract
849:Periaqueductal gray
746:Rubro-olivary tract
715:Spinothalamic tract
681:Sensory / ascending
589:Sensory / ascending
546:Superior colliculus
534:Inferior colliculus
469:Atlas image: n2a4p4
264:inferior colliculus
260:superior colliculus
238:giving rise to the
2102:Neuroanatomy stubs
1820:Superior laryngeal
1687:Tonsillar branches
1385:Intermediate nerve
1201:oculomotor nucleus
799:Oculomotor nucleus
734:Motor / descending
610:Motor / descending
76:trochlear nucleus.
47:ventral subnucleus
2059:
2058:
2024:
2023:
1952:
1951:
1918:Posterior gastric
1813:pharyngeal plexus
1808:Pharyngeal branch
1731:
1730:
1595:Scarpa's ganglion
1583:lateral lemniscus
1578:striae medullares
1561:vestibular nuclei
1549:Vestibulocochlear
1543:
1542:
1034:
1033:
1030:
1029:
1026:
1025:
916:
915:
912:
911:
864:Parabrachial area
804:Trochlear nucleus
759:
758:
741:Rubrospinal tract
643:Cerebral aqueduct
629:
628:
625:
624:
617:Tectospinal tract
596:Spinotectal tract
551:Superior brachium
539:Inferior brachium
325:Additional images
196:
195:
191:
70:cerebral aqueduct
57:dorsal subnucleus
22:Trochlear nucleus
2109:
2080:
2073:
2066:
2038:
2031:
1970:nucleus ambiguus
1944:Solitary nucleus
1934:Nucleus ambiguus
1913:Anterior gastric
1860:Inferior cardiac
1790:Auricular branch
1785:Meningeal branch
1743:
1723:Solitary nucleus
1713:Nucleus ambiguus
1692:Lingual branches
1613:
1607:Glossopharyngeal
1530:Solitary nucleus
1410:Greater petrosal
1375:
1225:ciliary ganglion
1061:
1054:
1047:
1038:
977:Substantia nigra
925:
770:
678:
669:
660:
586:
522:
499:
492:
485:
476:
457:
456:
438:
432:
431:
430:
429:
406:
393:
392:
387:. Archived from
377:
359:
347:
335:
256:. mesencephalon)
233:
232:
229:
228:
225:
222:
219:
216:
213:
210:
188:edit on Wikidata
86:
31:
19:
2117:
2116:
2112:
2111:
2110:
2108:
2107:
2106:
2087:
2086:
2085:
2084:
2027:
2025:
2020:
1991:
1948:
1922:
1884:
1846:
1794:
1770:
1727:
1701:
1665:lesser petrosal
1660:tympanic plexus
1640:
1601:
1566:cochlear nuclei
1539:
1513:
1451:
1443:
1400:
1394:
1363:
1334:
1265:
1236:
1183:
1144:
1138:olfactory tract
1105:
1071:
1065:
1035:
1022:
994:
990:Pars reticulata
967:
908:
873:
840:
822:
755:
729:
655:
647:
621:
605:
575:
557:
517:
509:
505:Anatomy of the
503:
465:
460:
453:
440:
439:
435:
427:
425:
408:
407:
396:
379:
378:
374:
370:
363:
360:
351:
348:
339:
336:
327:
319:Trochlear nerve
315:
295:
248:
207:
203:
192:
93:
77:
72:
65:
58:
53:
48:
43:
38:
33:Outline of the
17:
12:
11:
5:
2115:
2113:
2105:
2104:
2099:
2089:
2088:
2083:
2082:
2075:
2068:
2060:
2057:
2056:
2039:
2022:
2021:
2019:
2018:
2017:
2016:
2008:
2002:
2000:
1993:
1992:
1990:
1989:
1984:
1979:
1978:
1977:
1972:
1963:
1961:
1954:
1953:
1950:
1949:
1947:
1946:
1941:
1936:
1930:
1928:
1924:
1923:
1921:
1920:
1915:
1910:
1905:
1900:
1894:
1892:
1886:
1885:
1883:
1882:
1881:
1880:
1875:
1867:
1862:
1856:
1854:
1848:
1847:
1845:
1844:
1839:
1834:
1833:
1832:
1827:
1817:
1816:
1815:
1804:
1802:
1796:
1795:
1793:
1792:
1787:
1781:
1779:
1772:
1771:
1769:
1768:
1767:
1766:
1761:
1752:
1750:
1740:
1733:
1732:
1729:
1728:
1726:
1725:
1720:
1715:
1709:
1707:
1703:
1702:
1700:
1699:
1694:
1689:
1684:
1679:
1674:
1673:
1672:
1667:
1662:
1651:
1649:
1642:
1641:
1639:
1638:
1637:
1636:
1631:
1622:
1620:
1610:
1603:
1602:
1600:
1599:
1598:
1597:
1587:
1586:
1585:
1580:
1573:Cochlear nerve
1570:
1569:
1568:
1563:
1554:
1552:
1545:
1544:
1541:
1540:
1538:
1537:
1532:
1527:
1521:
1519:
1515:
1514:
1512:
1511:
1510:
1509:
1504:
1499:
1494:
1489:
1482:Parotid plexus
1479:
1478:
1477:
1472:
1462:
1456:
1454:
1445:
1444:
1442:
1441:
1440:
1439:
1434:
1427:Chorda tympani
1424:
1419:
1418:
1417:
1406:
1404:
1396:
1395:
1393:
1392:
1387:
1381:
1379:
1372:
1365:
1364:
1362:
1361:
1360:
1359:
1351:
1345:
1343:
1336:
1335:
1333:
1332:
1331:
1330:
1325:
1320:
1312:
1311:
1310:
1302:
1301:
1300:
1295:
1290:
1285:
1276:
1274:
1267:
1266:
1264:
1263:
1262:
1261:
1253:
1247:
1245:
1238:
1237:
1235:
1234:
1233:
1232:
1227:
1218:
1210:
1209:
1208:
1203:
1194:
1192:
1185:
1184:
1182:
1181:
1180:
1179:
1174:
1166:
1165:
1164:
1155:
1153:
1146:
1145:
1143:
1142:
1141:
1140:
1135:
1133:olfactory bulb
1127:
1126:
1125:
1116:
1114:
1107:
1106:
1104:
1103:
1102:
1101:
1093:
1092:
1091:
1082:
1080:
1073:
1072:
1069:cranial nerves
1066:
1064:
1063:
1056:
1049:
1041:
1032:
1031:
1028:
1027:
1024:
1023:
1021:
1020:
1015:
1014:
1013:
1002:
1000:
996:
995:
993:
992:
987:
981:
979:
969:
968:
966:
965:
964:
963:
958:
948:
943:
937:
935:
922:
918:
917:
914:
913:
910:
909:
907:
906:
901:
900:
899:
889:
883:
881:
875:
874:
872:
871:
866:
861:
856:
851:
845:
842:
841:
839:
838:
832:
830:
824:
823:
821:
820:
819:
818:
808:
807:
806:
801:
791:
790:
789:
778:
776:
774:cranial nuclei
767:
761:
760:
757:
756:
754:
753:
751:Descending MLF
748:
743:
737:
735:
731:
730:
728:
727:
722:
717:
712:
711:
710:
700:
699:
698:
693:
684:
682:
675:
666:
657:
649:
648:
646:
645:
639:
637:
631:
630:
627:
626:
623:
622:
620:
619:
613:
611:
607:
606:
604:
603:
598:
592:
590:
583:
577:
576:
574:
573:
571:Pretectal area
567:
565:
559:
558:
556:
555:
554:
553:
543:
542:
541:
530:
528:
519:
511:
510:
504:
502:
501:
494:
487:
479:
473:
472:
464:
463:External links
461:
459:
458:
451:
433:
394:
371:
369:
366:
365:
364:
361:
354:
352:
349:
342:
340:
337:
330:
326:
323:
322:
321:
314:
311:
307:basilar artery
294:
291:
247:
244:
194:
193:
184:
178:
177:
172:
166:
165:
160:
154:
153:
148:
142:
141:
136:
129:
128:
123:
117:
116:
111:
105:
104:
100:
99:
95:
94:
87:
79:
78:
32:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
2114:
2103:
2100:
2098:
2095:
2094:
2092:
2081:
2076:
2074:
2069:
2067:
2062:
2061:
2055:
2053:
2049:
2046:article is a
2045:
2040:
2037:
2033:
2028:
2015:
2012:
2011:
2009:
2007:
2004:
2003:
2001:
1998:
1994:
1988:
1985:
1983:
1980:
1976:
1973:
1971:
1968:
1967:
1965:
1964:
1962:
1959:
1955:
1945:
1942:
1940:
1937:
1935:
1932:
1931:
1929:
1925:
1919:
1916:
1914:
1911:
1909:
1906:
1904:
1901:
1899:
1896:
1895:
1893:
1891:
1887:
1879:
1876:
1874:
1871:
1870:
1869:Vagal trunks
1868:
1866:
1863:
1861:
1858:
1857:
1855:
1853:
1849:
1843:
1840:
1838:
1835:
1831:
1828:
1826:
1823:
1822:
1821:
1818:
1814:
1811:
1810:
1809:
1806:
1805:
1803:
1801:
1797:
1791:
1788:
1786:
1783:
1782:
1780:
1778:
1777:jugular fossa
1773:
1765:
1762:
1760:
1757:
1756:
1754:
1753:
1751:
1749:
1748:jugular fossa
1744:
1741:
1738:
1734:
1724:
1721:
1719:
1716:
1714:
1711:
1710:
1708:
1704:
1698:
1697:Carotid sinus
1695:
1693:
1690:
1688:
1685:
1683:
1680:
1678:
1675:
1671:
1670:otic ganglion
1668:
1666:
1663:
1661:
1658:
1657:
1656:
1653:
1652:
1650:
1648:
1647:jugular fossa
1643:
1635:
1632:
1630:
1627:
1626:
1624:
1623:
1621:
1619:
1618:jugular fossa
1614:
1611:
1608:
1604:
1596:
1593:
1592:
1591:
1588:
1584:
1581:
1579:
1576:
1575:
1574:
1571:
1567:
1564:
1562:
1559:
1558:
1556:
1555:
1553:
1550:
1546:
1536:
1533:
1531:
1528:
1526:
1523:
1522:
1520:
1516:
1508:
1505:
1503:
1500:
1498:
1495:
1493:
1490:
1488:
1485:
1484:
1483:
1480:
1476:
1473:
1471:
1468:
1467:
1466:
1463:
1461:
1458:
1457:
1455:
1453:
1446:
1438:
1435:
1433:
1432:lingual nerve
1430:
1429:
1428:
1425:
1423:
1420:
1416:
1413:
1412:
1411:
1408:
1407:
1405:
1403:
1397:
1391:
1388:
1386:
1383:
1382:
1380:
1376:
1373:
1370:
1366:
1358:
1355:
1354:
1352:
1350:
1347:
1346:
1344:
1341:
1337:
1329:
1326:
1324:
1321:
1319:
1316:
1315:
1313:
1309:
1306:
1305:
1303:
1299:
1296:
1294:
1291:
1289:
1286:
1284:
1281:
1280:
1278:
1277:
1275:
1272:
1268:
1260:
1257:
1256:
1254:
1252:
1249:
1248:
1246:
1243:
1239:
1231:
1228:
1226:
1222:
1219:
1217:
1214:
1213:
1211:
1207:
1204:
1202:
1199:
1198:
1196:
1195:
1193:
1190:
1186:
1178:
1175:
1173:
1170:
1169:
1167:
1163:
1160:
1159:
1157:
1156:
1154:
1151:
1147:
1139:
1136:
1134:
1131:
1130:
1128:
1124:
1121:
1120:
1118:
1117:
1115:
1112:
1108:
1100:
1097:
1096:
1094:
1090:
1089:septal nuclei
1087:
1086:
1084:
1083:
1081:
1078:
1074:
1070:
1062:
1057:
1055:
1050:
1048:
1043:
1042:
1039:
1019:
1016:
1012:
1009:
1008:
1007:
1004:
1003:
1001:
997:
991:
988:
986:
985:Pars compacta
983:
982:
980:
978:
974:
970:
962:
959:
957:
954:
953:
952:
949:
947:
944:
942:
939:
938:
936:
934:
933:Cerebral crus
930:
926:
923:
919:
905:
902:
898:
895:
894:
893:
890:
888:
885:
884:
882:
880:
876:
870:
867:
865:
862:
860:
857:
855:
852:
850:
847:
846:
843:
837:
834:
833:
831:
829:
825:
817:
814:
813:
812:
809:
805:
802:
800:
797:
796:
795:
792:
788:
787:Mesencephalic
785:
784:
783:
780:
779:
777:
775:
771:
768:
766:
762:
752:
749:
747:
744:
742:
739:
738:
736:
732:
726:
723:
721:
718:
716:
713:
709:
706:
705:
704:
703:Ascending MLF
701:
697:
694:
692:
689:
688:
686:
685:
683:
679:
676:
674:
670:
667:
665:
661:
658:
654:
650:
644:
641:
640:
638:
636:
632:
618:
615:
614:
612:
608:
602:
599:
597:
594:
593:
591:
587:
584:
582:
578:
572:
569:
568:
566:
564:
560:
552:
549:
548:
547:
544:
540:
537:
536:
535:
532:
531:
529:
527:
523:
520:
516:
512:
508:
500:
495:
493:
488:
486:
481:
480:
477:
470:
467:
466:
462:
454:
452:3-8055-2210-X
448:
444:
437:
434:
424:
420:
416:
412:
405:
403:
401:
399:
395:
390:
386:
382:
376:
373:
367:
358:
353:
346:
341:
334:
329:
324:
320:
317:
316:
312:
310:
308:
304:
300:
292:
290:
288:
283:
281:
277:
273:
269:
265:
261:
257:
255:
245:
243:
241:
237:
231:
201:
189:
183:
179:
176:
173:
171:
167:
164:
161:
159:
155:
152:
149:
147:
143:
140:
137:
134:
130:
127:
124:
122:
118:
115:
112:
110:
106:
101:
96:
91:
85:
80:
75:
71:
68:
64:
61:
56:
51:
46:
41:
36:
30:
25:
20:
2052:expanding it
2044:neuroanatomy
2041:
2026:
1450:stylomastoid
1402:facial canal
1356:
1258:
1250:
1172:optic chiasm
1098:
892:Raphe nuclei
803:
673:White matter
581:White matter
442:
436:
426:, retrieved
414:
389:the original
384:
375:
296:
293:Blood supply
284:
278:besides the
253:
249:
199:
197:
151:A14.1.06.319
139:birnlex_1488
113:
73:
66:
59:
54:
49:
44:
39:
1997:Hypoglossal
1378:Near origin
1177:optic tract
1011:Decussation
854:Red nucleus
765:Grey matter
563:Grey matter
103:Identifiers
2091:Categories
1590:Vestibular
1502:mandibular
1475:stylohyoid
1465:Suprahyoid
1390:Geniculate
1328:mandibular
1318:ophthalmic
1271:Trigeminal
1189:Oculomotor
428:2023-01-03
415:StatPearls
368:References
252:midbrain (
121:NeuroNames
2010:Branches
1958:Accessory
1878:posterior
1865:Pulmonary
1551:(CN VIII)
1492:zygomatic
1470:digastric
1353:Branches
1323:maxillary
1314:Branches
1255:Branches
1242:Trochlear
1212:Branches
1111:Olfactory
687:Lemnisci
664:Tegmentum
656:(Ventral)
2097:Midbrain
1999:(CN XII)
1873:anterior
1830:internal
1825:external
1764:inferior
1759:superior
1755:Ganglia
1655:Tympanic
1634:inferior
1629:superior
1625:Ganglia
1507:cervical
1487:temporal
1371:(CN VII)
1340:Abducens
1230:inferior
1216:superior
1191:(CN III)
1077:Terminal
653:Peduncle
518:(Dorsal)
507:midbrain
423:30725929
313:See also
276:midbrain
236:midbrain
133:NeuroLex
2014:lingual
2006:Nucleus
1982:Cranial
1966:Nuclei
1960:(CN XI)
1908:Hepatic
1890:Abdomen
1746:Before
1616:Before
1609:(CN IX)
1557:Nuclei
1452:foramen
1349:Nucleus
1342:(CN VI)
1304:Course
1279:Nuclei
1251:Nucleus
1244:(CN IV)
1197:Nuclei
1168:Course
1158:Nuclei
1152:(CN II)
1129:Course
1119:Nuclei
1095:Course
1085:Nuclei
999:Surface
696:Lateral
246:Anatomy
98:Details
1987:Spinal
1927:Nuclei
1898:Celiac
1852:Thorax
1775:After
1739:(CN X)
1706:Nuclei
1645:After
1518:Nuclei
1497:buccal
1399:Inside
1369:Facial
1273:(CN V)
1113:(CN I)
1079:(CN 0)
897:dorsal
691:Medial
515:Tectum
449:
421:
305:, and
2042:This
1903:Renal
1737:Vagus
1150:Optic
929:White
186:[
175:54518
109:Latin
2048:stub
1800:Neck
1067:The
973:Grey
921:Base
447:ISBN
419:PMID
262:and
198:The
163:5890
146:TA98
88:The
50:DRvl
40:DRif
1448:At
1298:TMN
1283:PSN
1223:of
811:GVE
794:GSE
782:GSA
635:CSF
227:ɪər
170:FMA
158:TA2
126:513
74:IVn
60:mlf
55:DRd
45:DRv
2093::
1293:MN
975:/
931:/
413:,
397:^
383:.
301:,
242:.
135:ID
67:Aq
2079:e
2072:t
2065:v
2054:.
1060:e
1053:t
1046:v
498:e
491:t
484:v
455:.
254:s
230:/
224:l
221:k
218:ɒ
215:r
212:t
209:ˈ
206:/
202:(
190:]
37::
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
