channel in the center of a Haversian system containing nerves, blood vessels and lymph vessels

a unit of bone structure in which the bone cells are arranged in concentric circles

pertaining to the liver

plant-eating animal

reflex pathway between pulmonary stretch receptors and the brain that prevents overinflation of the lungs

having two different alleles of a gene

the study of normal healthy tissues using a microscope

proteins that bind to DNA in eukaryotic cells