Karyotype
/ˈkærioʊˌtaɪp/
The number and visual appearance of the chromosomes in the cell nuclei of an organism.
Keratin
/ˈkɛrətɪn/
A fibrous protein forming the main structural constituent of hair, feathers, hoofs, claws, and horns.
Keratinocyte
/kəˈrætɪnoʊˌsaɪt/
An epidermal cell that produces keratin.
Ketone Bodies
/ˈkiːtoʊn ˈbɒdiz/
Chemicals that the body makes when it burns fat for energy, often produced during starvation or diabetes.
Ketosis
/kiːˈtoʊsɪs/
A metabolic state characterized by raised levels of ketone bodies in the body tissues.
Kidney
/ˈkɪdni/
One of a pair of organs in the abdominal cavity that excrete urine and regulate water and salt balance.
Kilocalorie
/ˈkɪləˌkæləri/
A unit of energy of 1,000 calories (often used to express the energy value of food).
Kinase
/ˈkaɪneɪs/
An enzyme that catalyzes the transfer of a phosphate group from ATP to a specified molecule.
Kupffer Cells
/ˈkʊpfər sɛlz/
Specialized macrophages located in the liver that line the walls of the sinusoids.
Kyphosis
/kaɪˈfoʊsɪs/
Excessive outward curvature of the spine, causing hunching of the back.