A control system that acts by secreting hormones directly into the bloodstream, which then travel to other parts of the body to act on effectors (cells, tissues, organs)
Receptor type is important for oxytocin, GHRH, somatostatin, dopamine?
Receptor type is important for insulin, IGF-1?
Receptor type is important for EPO, leptin, prolactin and GH?
Type of receptor is important for oestrogen
The state of equilibrium of the body that is maintained by dynamic processes of feedback and regulation
Blood brain barrier
Important process for protecting neurones from blood
Acts on alveolar epithelial cells in the breast to induce synthesis and secretion of milk
Acts on myoepithelial cells in the breast to induce contraction and ejection of the milk
Regulates and coordinates responses to changes in the external and internal environment
Posterior pituitary gland
Is made up of nerve terminals. Oxytocin and vasopressin are two important neurohormones released from
Anterior Pituitary Gland
Endocrine cells that secrete hormones into the general circulation
GH (growth hormone), stimulates growth
Prolactin - memory gland, lactation
LH (luteinising hormone)
FSH (follicle stimulating hormone), both stimulate gonads
TSH (thyroid stimulating hormone)
ACTH (adrenocorticotrophic hormone)
Releasing inhibitory factor for prolactin
Releasing inhibitory factor for growth hormone (GH)
- Major determinant of growth
- Increase number and size of cells in soft tissues
- Increase thickness and length of long bones
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