gland
Cell, cell group, or organ secreting a substance used elsewhere in the body.
Used in 83 profiles
Ichthyological terms, not general ones.
Cell, cell group, or organ secreting a substance used elsewhere in the body.
Used in 83 profiles
Temporary organ normally located on the head in fry of some fish species. Excretes an adhesive substance and used to attach to solid surfaces.
Steroid hormone released by the cortex (outer portion) of the adrenal gland as a response to stress.
Of, relating to, or denoting glands that secrete hormones or other products directly into the blood: 'the endocrine system'.
Refers to layers of cells that line hollow organs and glands or make up the outer surface of the body. Epithelial cells help to protect or enclose organs and most produce mucus or other secretions. They're arranged in single or multiple layers, depending on the organ and location.
Used in 24 profiles
The seminal, sperm-containing fluid of a male fish; male reproductive glands when they contain sperm.
Used in 145 profiles
Sharp, pointed, piercing organ normally formed from a modified spine and secreting venom from glands at its base when present in fishes; the act of stinging; the wound or pain caused by stinging.
Used in 110 profiles