endocrine Flashcards

1
Q

endocrine/nervous system specifications

A

nervous system acts quickly but effects disappate quickly. it also has more specific targets
both act to maintain homeostasis
endocrine acts

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2
Q

pineal gland

A

post wall of 3rd ventricle/diencephalon

regulates circadian rhythm

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3
Q

pituitary

A

housed in sella turcica (sphenoid)

connected to hypothalamus through infundibulum, which is part of the the 3rd ventricle

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4
Q

pituitary lobes development

A

anterior arises form epithelium of oral cavity in development
posterior arises from nervous tissue

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5
Q

anterior lobe

A

RHs and IH from hypothalamus stimulate production of stimulating hormones
secreted into portal system

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6
Q

posterior lobe

A

neurons from PVN and SON (with OT and ADH) send axons to post. pituitary and hormones are stored there
release to capillary network

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7
Q

which arteries supply the thyroid

A

inferior thyroid from subclavian and superior thyroid from external carotid

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8
Q

sign of thyroid cancer

A

changes in voice: branches of CNX pass behind thyroid

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