Universlty of Manitoba, ln Partîal Fulfiìlment - MSpace at the ...

4.8 H ISTOLOûI CAL EXAMINATION
4.8.
1
Ser ia l Sectloning
4.8.2 Group ing of Embryos
4.8.3 Subd ivi s ion ¡nro Regions
4.8.4 Histo¡ogical Descriptions
\.9 ANALYSIS oF NEURAL CLOSURE
4.lo Rruelysts oF NEURAL voLuMEs
RESULTS OF TERATOLOGICAL PROCEDURES
5.1 TERATOGENIC EFFECT OF t.,INDOWING
5.2 HALFOR}IATIONS PRODUCED BY I,'INDOWING
5.3 INVEST¡GATION OF EFFECT OF WINDOI^'ING
5.3.1 Vibratîon of Unopened Eggs
5.3,2 Parafi lm and Plasticine Alone
5.3.3 0bl iteration of lntroduced Air Space . . .
5.\ BACTERIOLOGICAL CULTURE
RESULTS OF EMBRYOLOGICAL STUDIES
6.1 EI"IBRYoGENESIS oF OPEN NEURAL DEFECTS
L-l
47
47
4B
5\
54
55
56
57
65
69
69
'72
75
92
95
96
6.1.1 Embryoníc Sízes at 26 Hours
6.1.2 Mortal i ty wi th Varying periods
of lncubation after l/ïndowing -102
6.1.3 Neural Closure and Neural Defects lO9
6.1.4 Development of open Neural Defects ll4
6.1.5 Dlstribution of 0pen Cord Defects 144
6.2 SPINAL LEVELS OF oPEN CORD DEFECTS IN 12-DAY E}4BRYos 154
6.3 DESCRIPTIoN oF HISTOI.OGIcAL APPEARANCES 165
6.3.1 Stage l0 controt Embryos 165
96