sodium
(sōd′ē-ŭm)
To hear audio pronunciation of this topic, purchase a subscription or log in.
[soda + -ium (1)]
SYMB: Na An inorganic metallic element, atomic weight (mass) 22.98987, atomic number 11, specific gravity 0.971. Sodium constitutes about 0.15% of body mass. It is the most abundant cation in extracellular fluids, the main contributor to osmotic pressure and hydration, participates in many specialized pumps and receptors on cell membranes, and plays a fundamental part in the electrical activities of the body, e.g., nerve impulse transmission and muscular contraction.
CAS # 7440-23-5
The normal sodium level in serum is 135 to 145 mmol/L. A decreased level of sodium in the serum is called hyponatremia, an increased level, hypernatremia.
SYN: SEE: natrium
SEE: hypernatremia; SEE: hyponatremia
There's more to see -- the rest of this topic is available only to subscribers.
Citation
Venes, Donald, editor. "Sodium." Taber's Medical Dictionary, 24th ed., F.A. Davis Company, 2021. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/737389/all/sodium.
Sodium. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2021. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/737389/all/sodium. Accessed October 10, 2024.
Sodium. (2021). In Venes, D. (Ed.), Taber's Medical Dictionary (24th ed.). F.A. Davis Company. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/737389/all/sodium
Sodium [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2021. [cited 2024 October 10]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/737389/all/sodium.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - sodium
ID - 737389
ED - Venes,Donald,
BT - Taber's Medical Dictionary
UR - https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/737389/all/sodium
PB - F.A. Davis Company
ET - 24
DB - Nursing Central
DP - Unbound Medicine
ER -