endospore
- n a small asexual spore that develops inside the cell of some bacteria and algae
endosteum
- n vascular membrane that lines the inner surface of long bones
endothelial myeloma
- n malignant tumor in bone marrow (usually in the pelvis or in long bones)
endothelium
- n an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities
endothermic reaction
- n a chemical reaction accompanied by the absorption of heat