Hormonal Sectretion Flashcards
Name 6 of the endocrine glands?
Pituitary Thyroid Parathyroid Isles of langerhans Adrenal Gonads
Where is erythropoietin made and what’s its purpose?
Made in kidney, increases rbc
What hormone does the heart produce? And what’s its purpose
Atrial natreric peptide, increases na2 secreted by kidney
Where is Von Willie brand factor made and what does it do?
Vascular endothelium and used for blood clotting
What are the ways hormones can be delivered around body?
Endocrine
Neauroendocrine
Paracrine
Autocrine
What type of hormones are produced by hypothalamus
Protein/peptide
What are the 3 types of hormones
Peptide
Steroid
Amines
What are the 2 main types of amines?
Thyroid- behave like steroids
Catecholamines- adrenaline, noradrenaline act like protein hormones
Hat can tyrosine be made into?
Thyroxine
Adrenaline
What is dimerisation? And where does it occur
Steroid hormone receptors
2 receptor bits get together, attach onto coding part of dna, change dna replication … producing an affect
What’s the origin of the posterior pituitary
Invagination of forebrain- neuronal
What’s the origin of the anterior pituitary
Outgrowth of buccaneer cavity, Rathske pouch- glandular
What’s an infudibulum?
Stalk that joins the 2 pituitary
How does the posterior pituitary work?
Has Loads of axons, hormone stored in nerve ending, ending of it reaches the pituitary vein where its released into the blood
What are the 2 main nucleus’s in the posterior pituitary and what do they produce?
Supraoptic-adh
Paraventricularr- oxytocin and adh
