one of the main veins in the human body

inability to conceive, carry, and deliver children

ocalized redness, swelling, heat, and pain that results from the movement of leukocytes and fluid through opened capillaries to a site of infection

act of taking in food

hormone made by Sertoli cells; provides negative feedback to hypothalamus in control of FSH and GnRH release

molecule that binds to a protein (usually an enzyme) and keeps it from functioning

hyperpolarization of a postsynaptic membrane caused by neurotransmitter molecules released from a presynaptic cell

protein complex containing eIF-2 that starts translation

nucleotide from which mRNA synthesis proceeds in the 5' to 3' direction; denoted with a “+1”

in prokaryotes, called tRNA f Met ; in eukaryotes, called tRNAi; a tRNA that interacts with a start codon, binds directly to the ribosome P site, and links to a special methionine to begin a polypeptide chain

instinctual behavior that is not altered by changes in the environment

immunity that occurs naturally because of genetic factors or physiology, and is not induced by infection or vaccination

inner layer of cells in the blastocyst

innermost part of the ear; consists of the cochlea and the vestibular system

chemical compound that does not contain carbon; it is not part of or produced by a living organism