Epithelium is a type of body tissueA group of similar cells working together for one job. that covers surfaces and lines cavities and organs. In anatomy, it refers to the thin membranousHaving the form or texture of a thin, flexible membrane. layer that protects and helps form organs and internalLocated inside the body or within something, not on the outside. surfaces.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-17. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /ˌɛpəˈθiliəm/
Easy pronunciation: EP-uh-THEE-lee-um (approximate spelling).
Stress: Primary stress on THEE; secondary stress on EP.
The anatomy noun meaning a membranous tissue lining internal surfaces.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-17. AI assessment; not a guarantee of accuracy.
Epithelium Meaning
A thin layer of tissue that covers or lines parts of the body.
Part of speech: noun
Definition: A membranous tissue that covers internal organs and lines internal surfaces of the body.
Example: The surgeon examined the epithelium lining the organ.
Synonyms for this meaning:
- epithelial tissue — The supplied synonym matches this anatomy sense exactly.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-17. AI assessment; not a guarantee of accuracy.
Epithelium Synonyms
Similar Meaning
- epithelial tissue
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-17. AI assessment; not a guarantee of accuracy.
Common Mistakes
- People sometimes confuse epithelium with epidermis. Epidermis is the outer layer of the skin, while epithelium is a broader term for tissue that covers or lines surfaces in the body.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-17. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does epithelium mean?
Epithelium means a thin membranous tissue that covers surfaces and lines organs or cavities in the body.
What is a synonym for epithelium?
A direct synonym is epithelial tissue.
Is epithelium the same as skin?
Not exactly. Skin includes epithelium as part of its structure, but epithelium is a broader anatomical term for covering or lining tissue.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-17. AI assessment; not a guarantee of accuracy.