Term
| What are the actions of hormones? |
|
Definition
| carry chemical signals to other cells via the circulation. |
|
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Term
| Hormone action depends on what? |
|
Definition
| binding to a specific receptor on or in target cell. |
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Term
| Peptides are initially made as what? |
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Definition
|
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Term
|
Definition
| fast acting with short half-lives. |
|
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Term
|
Definition
| the time to reduce [hormone] by 1/2. |
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|
Term
| Peptide receptors are located where? |
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Definition
|
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Term
|
Definition
| intracellular second messengers. |
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Term
| What are steroid hormones made from? |
|
Definition
|
|
Term
| Steroid hormones are bound to what? |
|
Definition
| carrier proteins in the plasma. |
|
|
Term
| What is the function of albumin? |
|
Definition
| maintains osmotic pressure and can bind up hormones, carrying them through the circulation. |
|
|
Term
| How do steroid hormones enter cells? |
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Definition
|
|
Term
| Steroid hormone receptors are located... |
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Definition
|
|
Term
| What are the actions of steroid hormones? |
|
Definition
| interact with DNA, increase mRNA production and increase the synthesis of proteins. |
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|
Term
| Compared to peptides, steroid hormones have... |
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Definition
|
|
Term
| What are amines made from? |
|
Definition
|
|
Term
| Where is the epinephrine receptor located? |
|
Definition
|
|
Term
| Where is the thyroxine receptor located? |
|
Definition
|
|
Term
| What type of hormones does the pituitary gland release? |
|
Definition
|
|
Term
| Tropic hormones cause target glands to do what? |
|
Definition
| release other hormones and stimulate growth and cell division. |
|
|
Term
| What controls the pituitary gland? |
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Definition
|
|
Term
| The posterior pituitary is also called what? |
|
Definition
|
|
Term
| The posterior pituitary releases what? |
|
Definition
| oxytocin and ADH (vasopressin). |
|
|
Term
| The anterior pituitary is also called what? |
|
Definition
|
|
Term
| What is the action of prolactin (PRL)? |
|
Definition
| stimulates milk production. |
|
|
Term
| What is the action of growth hormone (somatotropin)? |
|
Definition
| increases protein synthesis, and inccreases blood glucose levels. |
|
|
Term
| What is the function of follicle stimulating hormone (FSH)? |
|
Definition
| stimulates growth of gonads. |
|
|
Term
| What is the function of luteinizing hormone (LH)? |
|
Definition
|
|
Term
| What is the function of thyroid stimulating hormone (TSH)? |
|
Definition
| increases thyroidgland growth and stimulates thyroxin release. |
|
|
Term
| What is the function of adrenocorticotropic hormone (ACTH)? |
|
Definition
| increases adrenal growth and stimulates cortisol release. |
|
|
Term
| Wat type of hormones are releasing hormones? |
|
Definition
|
|
Term
| TRH- thyrotropin releasing hormone... |
|
Definition
|
|
Term
| CRH- corticotropin releasing hormone... |
|
Definition
|
|
Term
| GnRH- gonadotropin releasing hormone... |
|
Definition
|
|
Term
| GnRH uses what type of secretion pattern? |
|
Definition
|
|
Term
| Sustained administration of GnRH causes what? |
|
Definition
| downregulation (desensitization) of receptors. |
|
|
Term
| GHRH- growth hormone releasing hormone... |
|
Definition
|
|
Term
|
Definition
|
|
Term
| PRH- prolactin releasing hormone... |
|
Definition
|
|
Term
|
Definition
|
|
Term
| The origin of defect in a primary endocrine pathology is what? |
|
Definition
| last endocrine gland in pathway. |
|
|
Term
| The origin of defect in a secondary endocrine pathology is what? |
|
Definition
| central organ (hypothalamic malfunction or disease of anterior pituitary). |
|
|
Term
| A primary pathology may involve: |
|
Definition
| hypersecretion (tumour), and hyposecretion (thyroid damage decreasing thyroxin). |
|
|
Term
| Tropic hormones are under what kind of control from target glands? |
|
Definition
|
|
Term
| Primary endocrine pathologies effect hormone levels in... |
|
Definition
|
|
Term
| Secondary endocrine pathologies effect hormone levels in... |
|
Definition
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