ductless gland. [duktâ²les] a gland lacking an excretory duct, such as an endocrine gland, that secretes hormones directly into blood or lymph. ductless gland. A gland with cells that secrete specific molecules into the adjacent interstitial space (paracrine glands) or into the blood stream (endocrine glands).
Cast. 1  Michael Weatherly as Dr. Jason Bull. 2  Freddy Rodriguez as Benny ColÃ³n. 3  Geneva Carr as Marissa Morgan.  Christopher Jackson as Chunk 1  Palmer. Jaime Lee Kirchner as Danny James.  Annabelle Attanasio as Cable McCrory.
Definition of bull. 1a : a male bovine; especially : an adult uncastrated male domestic bovineb : a usually adult male of various large animals (as elephants, whales, or seals) 2 : one who buys securities or commodities in expectation of a price rise or who acts to effect such a rise â compare bear.