fissi-, fiss-, fissur-

A form of asexual reproduction that involves the splitting of a parent cell into two approximately equal parts: "Binary fission involves the division of a single-celled organism into two daughter cells."

"Binary fission is a common form of asexual reproduction among bacteria, protozoa, and other unicellular organisms."

A congenital fissure (deep furrow, cleft, or slit) of the neck.

A fissure or fracture on the side opposite to that which received the blow, or at some distance from it.

1. Capable of being split or separated into layers.
2. Tending to split.

1. The act of splitting or breaking apart.
2. In biology, the spontaneous division of a cell or organism into new cells or organisms; especially, as a mode of reproduction; cell division.
3. In physics, the disintegration of the nucleus of a heavy atom, leading to the formation of nuclei of more stable atoms and the release of energy.

Reproducing or separating by fission.

1. Having the toes separated.
2. An animal having its toes divided.

In neuroanatomy, a particularly deep sulcus (groove or furrow) of the surface of the brain or spinal cord.

Relating to a fissure (cleft or groove).

The act of dividing or opening; the state of being fissured.

1. A narrow opening, cleft, crevice, or furrow.
2. The act of cleaving, or the state of being cleft; cleavage.
3. In anatomy, any cleft or furrow of the body, as between the lobes of the liver or one of the furrows on the surface of the brain.
4. Etymology: from Middle English fent, from Old French fente, "cleft" from fendre, "to cleave" ("to split" or "to divide"); which came from Latin findere, "to split".

Surgery of a fissure (groove or cleft) which may occur in a body part or organ; such as, the skull, liver, spinal cord, or the surface of a tooth caused by imperfect union of the enamel of adjoining dental lobes.