TABLE IV
Effects of Aqueous Extracts of Various Macerated Tissues on Epidermal Mitotic Activity in Vitro
1
Equiv.
Iry wt of
tissue/4
ml
medium
(mg)
Control
Epidermis
Kidney
Liver
Lung
Brain
Rectum
Resting
hair bulbs
Growing
hair bulbs
Hypodermis
1.4
7.0
5.9 ± 0.29
6.4 ± 0.54
3.7 + 0.37
2.5 ± 0.35
5.9 ± 0.39
5.2 ± 0.37
5.4 ± 0.38
5.6 ± 0.53
5.8 + 0.55
5.4 + 0.61
6.3 ± 0.51
6.1 ± 0.55
6.8 + 0.29
6.8 ± 0.78 6.3 ± 0.41
6.5 ± 0.28 6.7 ± 0.38
a
Average numbers of mitoses arrested by Colcemid in 4 hr in unit lengths of 1 cm ear epidermis sectioned 7 n thick. N — 15.
6
From Bullough and Laurence (1964).
32
Effects of Aqueous Extracts of Various Macerated Tissues on Epidermal Mitotic Activity in Vitro
1
Equiv.
Iry wt of
tissue/4
ml
medium
(mg)
Control
Epidermis
Kidney
Liver
Lung
Brain
Rectum
Resting
hair bulbs
Growing
hair bulbs
Hypodermis
1.4
7.0
5.9 ± 0.29
6.4 ± 0.54
3.7 + 0.37
2.5 ± 0.35
5.9 ± 0.39
5.2 ± 0.37
5.4 ± 0.38
5.6 ± 0.53
5.8 + 0.55
5.4 + 0.61
6.3 ± 0.51
6.1 ± 0.55
6.8 + 0.29
6.8 ± 0.78 6.3 ± 0.41
6.5 ± 0.28 6.7 ± 0.38
a
Average numbers of mitoses arrested by Colcemid in 4 hr in unit lengths of 1 cm ear epidermis sectioned 7 n thick. N — 15.
6
From Bullough and Laurence (1964).
32