A class of mollusks that includes octopuses, squids, and cuttlefish, characterized by a well-developed head, tentacles, and a highly mobile lifestyle.

The fused head and thorax of certain arthropods, such as spiders and crustaceans.

The stiff, spine-like fins found in certain fish species, typically made of cartilage and aiding in stability and movement.

A part of the brain located at the back of the head, involved in the coordination of voluntary movements and balance.

Relating to the brain and spinal cord, typically referring to cerebrospinal fluid, which surrounds and cushions the brain and spinal cord.

A collection of cDNA clones that represent the mRNA transcripts present in a specific cell or tissue at a given time.

Cytidine diphosphate, a nucleotide used in the synthesis of phospholipids and glycoproteins.

Complementarity-determining region, a part of an antibody’s variable region that determines its specificity for an antigen.

A pouch-like structure at the junction of the small and large intestines, involved in the fermentation of plant materials in herbivores.

The basic structural and functional unit of all living organisms, containing a nucleus and organelles surrounded by a cell membrane.