Topics:
Animal Physiology, Animal Refresher
Name of Fluid Found in Body Cavities
The fluid found in body cavities that includes intra-ocular fluid, cerebrospinal fluid, synovial fluid, urine, bile and fluid of digestive tract is:
- Transcellular fluid — Correct Answer
- Interstitial fluid
- Plasma volume
- Intracellular fluid (ICF)
Explanation:
Correct Answer: Transcellular fluid (TCF)
Transcellular fluid (TCF) is the smallest fluid compartment, found in specialized body cavities, and is produced by the secretory activity of cells (trans = across cells). It includes:
Components of Transcellular Fluid
- Cerebrospinal fluid (CSF)
- Synovial fluid (joint cavities)
- Intraocular fluid (aqueous and vitreous humor)
- Urine (in bladder)
- Bile (in gallbladder/biliary system)
- Fluid of digestive tract (GIT secretions)
Why Other Options Are Wrong
- Interstitial fluid → Found in the spaces between cells in tissues; not in specialized cavities.
- Plasma volume → Found inside blood vessels (intravascular); not in body cavities.
- ICF → Found inside cells; not in external cavities.
Memory tip: TCF is the 'leftover' fraction of ECF secreted into specialized cavities — it's the fluid that has crossed epithelial cell barriers to reach its destination.
📚 About this Topic — Animal Physiology
This multiple choice question is from Animal Physiology, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Physiology to strengthen your preparation.
