104 OLAVI ERÄNKÖ or exclusively noradrenaline (Hillarp and Hökfelt, 1953, 1954, 1955;
Eränkö, 1955a, b, c, d, e, 1956a, 1957, 1958). Moreover, in vitro experiments suggest that …

The fine structure of the adrenal medulla of Macaca mulata monkey was studied after double
fixation with paraformaldehyde and OsO4; other fixations were employed for comparison …

Within the last years it has become evident that besides the hypothalamo‐pituitary‐adrenal
axis, extrapituitary mechanisms exist that regulate the activity of the adrenal cortex. In this …

There is wide support for the concept that there are two types of secretory cells in adrenal
medulla of various species. One cell is filled with electron dense bodies believed to contain …

Adrenergic neurons, studied by the fluorescent method for norepinephrine, are widely
distributed throughout the male urinary and seminal tract organs. They occur both within …

METHODS Experiment8on dogs. Single-pump perfu84ionm. The animals were
anaesthetized with ether, and 200-300 ml. blood, required for filling the perfusion pump …

WITH 3 TEXT FIGURES. Within the past decade our knowledge of the functions of the
adrenal glands, and of their relations to the rest of the economy, has been greatly enhanced …

II. Male adult rats whose adrenal glands had been enucleated and allowed to regenerate
showed in one group normal competence to handle administered water loads, and in …

Much of our information on morphology of the human adrenal cortex has come from post-
mortem specimens. Recently, fresh operation material has become available and some of …

THE ACTIONS OF THE adrenal medulla are numerous whether in major homeostatic
mechanisms or in emergencies which activate the entire orthosympathetic system. The …