Term
| What does endocrine system do? |
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Definition
| Influences metabolic activity by means of hormones. |
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Term
| What do endocrine glands do? |
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Definition
| produce hormones and lact ducts. They release hormones INTO (endo) surrounding tissue |
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Term
| What do exocrine glands do? |
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Definition
| produce NONHORMONAL substances (sweat, saliva) that are caried to membrane surface |
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Term
| What are hormones and how are they classified? |
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Definition
-Hormones are chemical substances, secreted by cells into extracellular fluids, that regulate metabolic function of other cells in the body.
-They can be either amino acid based or steroids (cholesterol) |
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Term
| What are the 3 types of endocrine glan stimuli? |
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Definition
| Humoral, Neural, and Hormonal |
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Term
| What results from hypo and hypersecretion of growth hormone? |
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Definition
-hyposecretion-in children it causes pituitary dwarfism (slowed long bone growth); no problems in adults
-hypersecretion results in gigantism (in a child) or acromegaly (adult) |
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Term
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Definition
-it is a protein hormone similar to gh
-in humans it is known for stimulating milk production by the breasts |
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Term
| What and where is the Thyroid Gland? |
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Definition
Location-anterior neck; on the trachea; inferior to the larynx
Uses- largest pure endocrine gland in the body; secretes thyroid hormone the bodies major metabolic hormone |
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Term
| What hormone does the Pineal Gland exude and what it's two jobs? |
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Definition
The pineal gland produces melatonin.
Melatonin levels in our blood rise and fall, which 1) controls our diurnal (daily cycle) and causes us to be drowsy; 2) in children it can affect the timing of puberty by inhibiting precocious (too early) sex maturation |
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Term
| What are the Islets of Langerhans and what 2 hormones do the contain? |
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Definition
Islets of Langerhans are cell clusters that produce pancreatic hormones (alpha and beta cells)
2 Hormones
Alpha cells - Glucagon production
Beta cells - insulin production |
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Term
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Definition
-large and conspicuous in children
-gets smaller with age
-Produces hormones involved in NORMAL DEVELOPMENT OF T LYMPHOCYTES AND THE IMMUNE SYSTEM |
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Term
| What hormone do the kidneys secrete? |
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Definition
-kidneys secrete erythroprotein
-erythroprotein is a protein hormone that signals bone marrow to increase the production of red blood cells |
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