Term
|
Definition
a. ductless b. extensively vascularized |
|
|
Term
|
Definition
a. secreted into bloodstream (in small amounts) b. access to most body cells c. interact with cells by binding to specific receptors d. receptors are membrane-bound or intraceullular |
|
|
Term
|
Definition
a. neuronal input b. hormonal input c. both neuronal and hormonal input d. responsive to neuronal regulation of vascular flow |
|
|
Term
Hormone Chemical Qualities |
|
Definition
1. amines (from tyrosine) 2. peptides/proteins 3. peptides 4. glycoproteins 5. steroids (from cholesterol) |
|
|
Term
Hormone Actions (affect…) |
|
Definition
1. enzyme activity, enzyme synthesis, metabolism 2. growth & differentiation 3. cell cycle / cell death 4. other hormone production 5. regulate membrane ion permeability 6. regulate membrane receptor turnover 7. regulate transporter / pump activity 8. transport systems 9. cell movement / attachment |
|
|
Term
|
Definition
1. Hormone recognized, bound by a receptor 2. H-R complex coupled to a signal-generating complex or act itself 3. Generated signal alters activity of enzymes, functional protein to give effect |
|
|
Term
|
Definition
intraspecific, organism-organism chemical messengers (same species) |
|
|
Term
Ectohormones --allochemics |
|
Definition
interspecific, organism-organism chemical messengers (different species) |
|
|