reticulum
/ri'tikju:ləm/
Học thuậtThân thiện
Definition
- Noun:
- The second stomach compartment of a ruminant animal: The "reticulum" is the second chamber in the complex stomach of animals like cows, sheep, and goats, following the rumen. It has a honeycomb-like lining.
- Any fine network structure: In anatomy and biology, a "reticulum" refers to a network, especially one formed by cells, fibers, or blood vessels.
- A small southern constellation: "Reticulum" is the name of a faint constellation in the southern celestial hemisphere.
Examples of Usage
Noun (Stomach Compartment):
- The reticulum works with the rumen to ferment ingested plant material.
- Veterinarians sometimes find foreign objects, like nails, trapped in a cow's reticulum.
Noun (Network Structure):
- The endoplasmic reticulum is a crucial network within a cell.
- The microscope revealed a delicate reticulum of blood vessels in the tissue.
Noun (Constellation):
- The constellation Reticulum is not visible from northern latitudes.
- He pointed his telescope toward Reticulum to observe a distant galaxy.
Advanced Usage
- "Endoplasmic reticulum": A critical cellular organelle involved in protein and lipid synthesis. This is a specialized biological use of the term.
- The rough endoplasmic reticulum is studded with ribosomes.
Variants and Related Words
- Reticular (adj): Having the form of a net; netlike.
- The tissue had a reticular pattern.
- Reticulate (v/adj): To form a network; marked by a network.
- The veins on the leaf reticulate beautifully.
Synonyms
- Network: A system of interconnected elements.
- Web: A complex structure of fine, interconnected threads.
- Mesh: Material made of a network of wire, thread, etc.
Notes on Different Meanings
- The primary, most common use in general biology and veterinary science is for the stomach compartment.
- The network meaning is foundational in scientific terminology (e.g., in cell biology).
- The astronomical meaning is highly specific and used only in that context.
Noun
- the second compartment of the stomach of a ruminant
- any fine network (especially one in the body composed of cells or blood vessels)
- a small constellation in the southern hemisphere near Dorado and Hydrus