embryonic shoot above the cotyledons

disease that occurs in an unusually high number of individuals in a population at the same time

outer layer (from ectoderm) that lines the outside of the animal

single layer of cells found in plant dermal tissue; covers and protects underlying tissue

heritable changes that do not involve changes in the DNA sequence

neurological disorder characterized by recurrent seizures

hormone released by the adrenal medulla in response to a short term stress

hormone released by the adrenal medulla in response to a short term stress

region between the diaphysis and epiphysis that is responsible for the lengthwise growth of long bones

rounded end of bone, covered with articular cartilage and filled with red bone marrow, which produces blood cells

plant that grows on other plants but is not dependent upon other plants for nutrition

antagonistic interaction between genes such that one gene masks or interferes with the expression of another

tissue that either lines or covers organs or other tissues

small component of an antigen that is specifically recognized by antibodies, B cells, and T cells; the antigenic determinant

steady state of relative reactant and product concentration in reversible chemical reactions in a closed system