(Gr. kentron, a
point, spine, + gonos, progeny,
generation). A larva of the cirripede order
Rhizocephala (subphylum Crustacea) that
functions to inject the parasite cells into
the host hemocoel.
(Gr. kera, horn, + in,
suffix of proteins). A scleroprotein found in
epidermal tissues and modified into hard
structures such as horns, hair, and nails.
A species (typically a
predator) whose removal leads to reduced
species diversity within the community.
(Gr. kinesis, movement).
Movements by an organism in random
directions in response to stimulus.
(Gr. kinein, to
move, + choris, asunder, apart). A disc of
proteins located on the centromere,
specialized to interact with the spindle
fibers during mitosis.
pl. kinetodesmata (Gr. kinein, to move, + desma, bond). Fibril arising from the
kinetosome of a cilium in a ciliate
protozoan, and passing along the
kinetosomes of cilia in that same row.
moving, + soma, body). The selfduplicating
granule at the base of the
flagellum or cilium; similar to centriole,
also called basal body or blepharoplast.
(Gr. kinein, to move). All the
kinetosomes and kinetodesmata of a row of
(Gr. kinein, to move, + in, suffix
of hormones). A type of local hormone that
is released near its site of origin; also called
parahormone or tissue hormone.
(from the K term in the logistic
equation). Natural selection under
conditions that favor survival when
populations are controlled primarily by
Phagocytic cells in the liver, part
of the reticuloendothelial system.
Malnutrition caused by diet high in
carbohydrate and extremely low in protein.