Chapter 2
The Vertebrate Endocrine System
39
XII
1. Endocrine Function.Criteria.Methods and Difficulties 40
a) Criteria
b) Endocrine Extirpation - Surgical and Chemical
c) Administration of Tissue Extracts
d) Histological Procedures
e) Identification and Measurement of Hormones
f) Immunoassay
2. The Pituitary Gland
47
a) Morphology
b) Secretion of the Pituitary Gland
a) Pars Distalis
(3) Pars Intermedia
y) Neurohypophysis
c) The Chemical Nature of the Pituitary Hormones
Cl) Adenohypophysis
(3) Neurohypophysis
d) Release and Metabolism of Pituitary Hormones
a) Adenohypophysis
(3) Neurohypophysis
3. The Thyroid Gland
59
a) Structure and Secretions
b) Function
c) Relationship to Osmoregulation
4. The Parathyroid Glands and Ultimobranchial Bodies 63
a) Relation to Osmoregulation
5. Islets of Langerhans of the Pancreas
64
a) Relation to Osmoregulation
6. Steroid Hormones
65
7. The Gonads
66
a) Osmoregulatory Significance of the Gonadal
Steroids
8. The Adrenal Glands
68
a) Chromaffin Tissue
b) The Adrenal Cortex and Interrenals
a) Biogenesis of the Corticosteroids
/1) Physiology
y) Control of Secretion