Best known for: Mapping the Hudson River and the North Atlantic; Biography: Where did Henry Hudson grow up? Historians know very little of Henry Hudson's youth. He was probably born in or near the city of London sometime between 1560 and 1570. It is likely that his family was wealthy and that his grandfather founded a trading company called the Muscovy Company. At some point in his life Henry married a woman named Katherine.
Definition of submandibular. 1  1 : of, relating to, situated in, or performed in the region below the lower jaw. 2  2 : of, relating to, or associated with the salivary glands inside of and near the lower edge of the mandible on each side.
Submandibular gland. The paired submandibular glands (historically known as submaxillary glands) are major salivary glands located beneath the floor of the mouth. They each weigh about 15 grams and contribute some 60â67% of unstimulated saliva secretion; on stimulation their contribution decreases in proportion as the parotid secretion rises to 50%.