apical dental foramen
apical dental foramen n.
The opening at the apex of the root of a tooth through which the nerves and blood vessels pass.
- Apical dominance
suppression of the development of lateral buds in a growing plant shoot, caused by hormones produced in the tip of the shoot. apical dominance (ā’pĭ-kəl, āp’ĭ-) Inhibition of the growth of lateral buds by the terminal bud of a plant shoot. In most plants, apical dominance results from the release of auxin by the apical […]
- Apical gland
apical gland apical gland n. See anterior lingual gland.
- Apical granuloma
apical granuloma apical granuloma n. See periapical granuloma.
- Apical meristem
meristem at the apex of a root or shoot. apical meristem A meristem at the tip of a plant shoot or root that produces auxin and causes the shoot or root to increase in length. Growth that originates in the apical meristem is called primary growth. In vascular plants, the apical meristem produces three kinds […]