3 an organ most affected by a specific hormone, such as the thyroid gland, which is the target organ of thyroid stimulating hormone secreted by the anterior pituitary gland. Endocrinology A specific organ that a particular hormone affects.ense o's (sensory o's) organs that receive stimuli that give rise to sensations, i.e., organs that translate certain forms of energy into nerve impulses that are perceived as special sensations. spiral organ organ of Corti. target organ the organ affected by a particular hormone.
1 Vitamin A: Carrots, sweet potatoes, broccoli, spinach, apricots, cantaloupe, liver, egg yolks and fortified milk.  Vitamin D: Eggs, and fatty fish such as sockeye salmon, mackerel, sardines, and grass-fed, fortified dairy, such as milk and yogurt.
There are few natural food sources of vitamin D, although oily fish such as tuna or salmon are among the best. For example, 3 ounces of cooked salmon contains 447 IUs of vitamin D per serving. Small amounts are also found in cheese and egg yolks.