hippo-, hipp-

(Greek: horse)

A small prehistoric horse that lived in North America.

It was dog-sized and had four toes on the front feet and three on the back feet.

1. A depression in the sphenoid bone; the pituitary fossa.
2. A saddle-shaped cavity to contain the winter eggs, situated on the back of Cladocera.
Commander of the horse; the title of officers appointed to command the cavalry in ancient Greece.
Ruling over or controlling horses.
A horse doctor.
Relating to the treatment of diseases of horses.
The study of diseases affecting horses.
The medical treatment of horses.
A reference to horses.
A reference to the hippocampus.
hippocampine: seahorses
Pertaining to seahorses or resembling a seahorses.
1. A sea-horse, having two fore-feet, and the body ending in a dolphin's or fish's tail, represented as drawing the chariot of Neptune and other sea-deities.
2. A genus of small fish having a head shaped somewhat like that of a horse; the sea-horse.
3. An area buried deep in the forebrain that helps regulate emotion and memory.

Functionally, the hippocampus is part of the olfactory cortex, that part of the cerebral cortex essential to the sense of smell. Certain antidepressants (such as fluoxetine, or Prozac) influence the birth of new neurons in the hippocampus.

The hippocampus is so-called because its shape suggests that of a seahorse. From the Greek hippos, "horse" plus kampos, "a sea monster".

The sacrifice and burning of a horse.
1. In classical mythology, one of a race of monsters having the head, trunk, and arms of a man, and the body and legs of a horse.
2. A skillful horseman or horsewoman.
3. In rocketry, a U.S. upper stage, with a restartable liquid-propellant engine, used with an Atlas or Titan booster to launch satellites and probes.

Related horse-word units: caval-; equ-, equi-.