nội dưỡng

Một tế bào nội dưỡng lấy chất dinh dưỡng từ môi trường xung quanh.

Definition

1. Adjective (Biology, Anatomy):
   • Endotrophic: Describing a type of nutrition or symbiotic relationship where nutrients are obtained and stored internally within specialized cells or tissues of an organism. This term is primarily used in scientific contexts.

Usage Examples

• Adjective:
  • Một số loài nấm có quan hệ nội dưỡng với rễ cây. (Some fungi have an endotrophic relationship with plant roots.)
  • Sự nội dưỡng là một dạng dinh dưỡng đặc biệt. (Endotrophy is a special form of nutrition.)

Advanced Usage

• "nội dưỡng" in mycology/botany: Refers specifically to endotrophic mycorrhiza, a symbiotic association where fungal hyphae penetrate and reside the cells of a plant's root to exchange nutrients.
  • Rễ cây lan thường có nấm nội dưỡng. (Orchid roots often have endotrophic mycorrhizae.)

Variants and Related Words

• Nội sinh (adj): Endogenous; originating or produced from within an organism or system.
• Ngoại dưỡng (adj): Exotrophic; obtaining nutrients from external sources or through a relationship where the symbiont remains outside the host's cells.

Synonyms

• Endotrophic: The direct and most precise scientific synonym.
• Intracellularly nourishing: A descriptive synonym emphasizing the internal cellular mechanism.

Notes on Usage

• This is a highly specialized, technical term used almost exclusively in scientific fields such as biology, anatomy, mycology, and botany. It is not used in everyday conversation.
• The concept contrasts with ngoại dưỡng (exotrophic), where nutrients are absorbed from external surfaces.