Bill E. Beckwith, R. Karen O’quin, Marilyn S. Petro, Abba J. Kastin, Curt A. Sandman
Male and female infant albino rats, between the ages of 2 and 7 days, were treated with either MSH or the vehicle solution and then tested in an open-field apparatus when they were 45 days old and again when they were 120 days old. Treatment with α-MSH resulted in greater body contact of adult males both at 45 and at 120 days of age. Females treated with α-MSH exhibited greater body contact when t...... hiện toàn bộ