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17 terms

PARATHYROID

STUDY
PLAY
Parathyroid location: Two pairs of parathyroids an
inferior and superior
Anterior to the parathyroid is the
thyroid
Superior pair is located generally...
in the middle third of thyroid
Inferior pair is located about the
lower third of the thyroid
Superior pair tends to be more ____ & ____ than the inferior set.
-posterior
-medial
The parathyroid regulates
calcium metabolism (blood calcium homeostasis- balance)
The parathyroid is an ____ organ.
endocrine
The parathyroid secretes what hormone?
PTH- ESSENTIAL FOR YO LIFE!
Localizing the Parathyroids: Anatomical "triangle":
-Longus colli muscle
-Thyroid lobe
-Common carotid artery / internal jugular vein
Area between this anatomic triangle should be free of any ____.
masses
Normal Measurements: length
5-7 mm
Normal Measurements: width
3-4 mm
Normal Measurements: AP
1-2 mm
Sonographic Appearance
Not normally seen by sonography
Normal Variants: ____% of the population has 5 parathyroid glands
13-15
Normal Variants: 5% have ___ parathyroid glands
3
Research indicates that about: ____% have ectopic parathyroid glands
15-20