| dorsum |
the upper or back part of an organ or appendage. [1/2 definitions] |
| dysfunction |
incomplete or impaired functioning of a body part or organ. |
| dysfunctional |
not working normally, as a bodily organ; impaired. [1/2 definitions] |
| ear1 |
the organ of hearing in man and vertebrate animals. [1/4 definitions] |
| ectopic |
out of the normal place, as an organ of the body or a pregnancy. |
| effector |
a cell or an organ such as a muscle or gland that responds to a nerve impulse. |
| efferent |
in physiology, carrying or directing away from an organ. (Cf. afferent.) [2 definitions] |
| electronic organ |
a musical instrument that resembles a pipe organ in its keyboard and stops, but produces music electronically rather than through pipes. |
| engorge |
of an organ or body tissue, to fill with blood. [1/3 definitions] |
| enucleate |
to remove from a sac, used esp. in reference to a tumor or an organ such as an eye. [1/2 definitions] |
| enucleation |
the removal of something, such as a tumor or an organ, from a sac. [1/2 definitions] |
| erectile |
of a body organ, capable of becoming distended or rigidly raised by the swelling of blood vessels. [1/2 definitions] |
| erection |
the rigid and distended state of an erectile body organ, esp. the penis. [1/3 definitions] |
| eviscerate |
of an organ, esp. in the abdomen, to protrude through an incision after surgery, because of improper healing or error in technique. [1/3 definitions] |
| eye |
the organ of sight and the area close around it, including the lids, lashes, and brow. [1/9 definitions] |
| eyespot |
a primitive visual organ that is sensitive to light, found in many invertebrates. [1/2 definitions] |
| fatigue |
physiological lack of response after prolonged or excessive exertion or stimulation, as in an organ. [1/8 definitions] |
| feeler |
an organ of touch on certain animals, such as an insect's antenna. [1/2 definitions] |
| fibrosis |
the development of an abnormal amount of fibrous tissue in or near an organ. |
| flue pipe |
an organ pipe in which sound is produced by a current of air that vibrates as it strikes the lip of an opening in the side of the pipe; flue. |
| fovea |
a small pit, hollow, or depression in a bone or organ. |