TABLE V
Effects of Aqueous Extracts of Macerated Epidermis on the Mitotic Activity of Various Tissues in Vitro
a
'
b
No. of mitoses present per
Equiv. dry wt
1 cm
1 cm
Section
Section
100 Sections
Growing
10 Sections
of epidermis/4 ml
length
length
anterior
posterior
sebaceous
hair
rectal
medium (mg)
epidermis
cornea
esophagus
esophagus
glands
folicle
crypts
0
7.5 + 0.33
12.9 + 1.94
25.1 + 2.36
41.5 + 2.01
11.8 + 1.13
7.6 + 0.21
13.7 + 1.14
7.0
2.9 + 0.27
0.1 + 0.10
13.9 + 1.60
23.6 + 2.17
3.5 + 0.58
8.1 + 0.30
15.1 + 1.17
° Average numbers of mitoses arrested by Colcemid in 4 hr in sections 7 ix thick. N = 10.
b
From Bullough and Laurence (1964).
34
Effects of Aqueous Extracts of Macerated Epidermis on the Mitotic Activity of Various Tissues in Vitro
a
'
b
No. of mitoses present per
Equiv. dry wt
1 cm
1 cm
Section
Section
100 Sections
Growing
10 Sections
of epidermis/4 ml
length
length
anterior
posterior
sebaceous
hair
rectal
medium (mg)
epidermis
cornea
esophagus
esophagus
glands
folicle
crypts
0
7.5 + 0.33
12.9 + 1.94
25.1 + 2.36
41.5 + 2.01
11.8 + 1.13
7.6 + 0.21
13.7 + 1.14
7.0
2.9 + 0.27
0.1 + 0.10
13.9 + 1.60
23.6 + 2.17
3.5 + 0.58
8.1 + 0.30
15.1 + 1.17
° Average numbers of mitoses arrested by Colcemid in 4 hr in sections 7 ix thick. N = 10.
b
From Bullough and Laurence (1964).
34