See under bud.
- Accessory cell
Immunology. any of various cells of the immune system that work with T or B cells to initiate a specific immune response. Also called subsidiary cell. Botany. a plant epidermal cell associated with guard cells and different morphologically from other epidermal cells. accessory cell See subsidiary cell.
- Accessory cephalic vein
accessory cephalic vein accessory cephalic vein n. A variable vein that passes along the radial border of the forearm to join the cephalic vein near the elbow.
- Accessory chromosome
. Historical Examples In these latter stages the nucleolus has entirely faded out and nothing suggesting an accessory chromosome is present. Studies in Spermatogenesis (Part 1 of 2) Nettie Maria Stevens Thionin was found to be a very useful stain for distinguishing between the accessory chromosome and an ordinary nucleolus. Studies in Spermatogenesis (Part 1 […]
- Accessory fruit
a fruit, as the apple, strawberry, or pineapple, that contains, in addition to a mature ovary and seeds, a significant amount of other tissue. noun another name for pseudocarp accessory fruit A fruit, such as the pear or strawberry, that develops from a ripened ovary or ovaries but also has tissue derived from part of […]