Researchers suggest that the loss of pyruvate carboxylase function in the nervous system, particularly the role of the enzyme in myelin formation and neurotransmitter production, also contributes to the neurologic features of pyruvate carboxylase deficiency.
ctenocephalides in Medicine. Ctenocephalides CtenÂ·oÂ·ceÂ·phalÂ·iÂ·des (tÄn'Å-sÉ-fÄl'Ä­-dÄz') n. A genus of fleas that includes species that are parasitic on dogs and cats; the species found on dogs can transmit tapeworm to humans.
Comb Jelly. PHYLUM CTENOPHORA. The ctenophores or comb-jellies are a group of biradially symmetrical animals that show many similarities to the cnidarians. (A biradially symmetrical animal is flattened so that one could obtain equal halves by dividing the animal along one of two planes.