Lipofuscin pigment granules found in older hepatocytes represent:
Show answer and explanation
Correct answer: Undigested residues from lysosomal activity
Lipofuscin is an insoluble 'wear-and-tear' pigment. It consists of oxidized lipids and proteins that accumulate in lysosomes as cells age, often appearing as brownish granules in the cytoplasm.
Keep practicing
More Liver Histology questions
- The 'limiting plate' refers to:
- Which of the following blood vessels carries 75% of the blood supply to the liver sinusoids?
- The bile canaliculi empty their contents directly into which structure?
- Under a light microscope, what is the best way to distinguish a branch of the portal vein from a branch of the hepatic artery in a portal t…
- Which of the following describes the structural unit of the liver known as the 'classic liver lobule'?
- What are the three main components of a 'portal triad' located in the portal canal?