10 Questions
How do the integrative properties of the endocrine system differ from those of the nervous system?
The integrative properties of the endocrine system are slow and steady, whereas those of the nervous system are rapid.
What is the new discipline of science that has emerged due to the close tie between the endocrine and nervous systems?
Neuroendocrinology
What is the morphogenetic function of hormones?
Hormones govern the ontogenetic development of an individual from the embryonic to the adult state.
What are the three main categories of hormones based on their chemical composition?
Steroids, peptides, and amino acid derivatives.
What are some of the bodily functions and processes that different types of hormones act on?
Development and growth, metabolism of food items, sexual function and reproductive growth and health, cognitive (mental) function and mood, and maintenance of body temperature and thirst.
Where are endocrine hormones produced and released from?
Endocrine hormones are produced and released by specialized endocrine glands, such as the pituitary gland, thyroid gland, adrenal glands, pancreas, ovaries, and testes.
What is the difference between endocrine and paracrine hormones?
Paracrine hormones act locally on nearby cells without entering the bloodstream, whereas endocrine hormones are produced and released by specialized endocrine glands.
What is the chemical nature of most known hormones?
Most known hormones are either steroids or peptides with usually high molecular weights.
What is the less common third group of hormones based on their chemical composition?
The less common third group of hormones consists of amino acid derivatives (or phenolic derivatives) with relatively low molecular weights.
How do the integrative properties of the endocrine system and nervous system differ?
The integrative properties of the endocrine system are slow and steady, whereas those of the nervous system are rapid.
Test your knowledge on catecholamines classes and plasma transmembrane glycoproteins. Identify the differences in responses to agonists and antagonists among (3- and a-adrenergic receptors. Explore the basis of their varying reactions to specific substances.
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