Blunted pressor response to angiotensin and sympathomimetic amines in bile-duct ligated dogs.

1. The pressor and heart rate response to angiotensin II, noradrenaline, isoprenaline, tyramine and beta-phenylethylamine were examined before and after bile-duct ligation in conscious trained dogs. 2.

Oral squamous acanthoma. Two additional cases with comments on etiology.

Two new cases of squamous acanthoma are presented, and the their clinical characteristics are compared to the eight cases previously reported. These two additional examples of this lesion are clinically similar to those previously reported. However, one of the two cases exhibits resolution after the removal of sources of trauma, thus lending support to the previously proposed theory of traumatic etiology.