Prolactin is a protein hormone of the anterior pituitary gland that was originally named for its
ability to promote lactation in response to the suckling stimulus of hungry young mammals …

The major functions of the midbrain periaqueductal gray (PAG), including pain and
analgesia, fear and anxiety, vocalization, lordosis and cardiovascular control are considered …

The localization and distribution of serotonin (5-hydroxytryptamine, 5-HT) has been studied
with the indirect immunofluorescence technique using a highly specific and well …

Orexin (ORX)-A and-B are recently identified neuropeptides, which are specifically localized
in neurons within and around the lateral hypothalamic area (LHA) and dorsomedial …

Melatonin, the major hormone produced by the pineal gland, displays characteristic daily
and seasonal patterns of secretion. These robust and predictable rhythms in circulating …

A method that allows the concurrent localization of an antigen and a retrogradely
transported fluorescent dye (true blue) was used to identify, immunohistochemically, cells in …

The third edition of this monograph continues to have the goal of providing an overview of
current thought about the spinal cord mechanisms that are responsible for sensory …

Tract-tracing and electrophysiology studies have revealed that major inputs to the nucleus
locus coeruleus (LC) are found in two structures, the nucleus paragigantocellularis (PGi) …

Movement, the fundamental component of behavior and the principal extrinsic action of the
brain, is produced when skeletal muscles contract and relax in response to patterns of action …

1. The hypothalamo-pituitary-adrenal axis (HPA) 574 1.1. Control of glucocorticoid levels
during stress 577 1.2. The diurnal rhythm of HPA activity 579 2. Roles of corticotropin …