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Related Flashcards
Cards In This Set
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What is another name for the hypophysis?
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A.k.a. pituitary
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Where is the pituitary located?
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It sits in the sella turcica.
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What is the sella turcica?
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It is a depression in the sphenoid bone.
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From what embryologic structure does the adenohypophysis develop?
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Rathke's pouch
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What does Rathke's pouch turn into?
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The adenohypophysis
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From what embryologic tissue layer does the adenohypophysis develop?
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It is an evagination of the oral ectoderm.
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What structure is the neurohypophysis attached to?
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It is an extension of the floor of the diencephalon
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From what embryologic tissue layer does the neurohypophysis develop?
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From the neural ectoderm
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What type of benign mass can develop if residual tissue is left from the regressing stalk of Rathke's pouch?
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A craniopharyngioma
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What critical structure can be compressed by the growth of a craniopharyngioma?
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The optic nerve.
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What is another name for adenohypophysis?
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Anterior pituitary
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What is the pars distalis and what is another name for it?
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It is the inferior lobular mass of the adenohypophysis. It is also called the anterior lobe.
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What is the pars tuberalis?
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It is the thin stalk-like top of the adenohypophysis
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What is the pars intermedia?
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The intermediate lobe. It is a remnant of Rathke's pouch.
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What is another name for the neurohypophysis?
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Posterior pituitary gland
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