noun, noun which may take the genitive case particle 'no'
lining membrane; inner membrane
Biological term for a membrane that lines an internal surface, such as the endometrium or vascular intima. Often used in medical and anatomical contexts.
The endometrium thickens according to the menstrual cycle.
Cholesterol can deposit on the inner lining of blood vessels.
endocardium
endometrium
endometrial cyst; endometrioma; chocolate cyst
carotid endarterectomy; CEA
Compound of 内 (nai, 'inner') + 膜 (maku, 'membrane'). The term is a straightforward Sino-Japanese medical coinage.