The thyroid gland is a small gland that sits in front of the windpipe and that works with pituitary gland to know how much hormone needs to be secreted to keep you healthy. The thyroid gland takes iodine, found in many foods and iodized salt, and converts it to thyroid hormones.There are two conditions that can affect the thyroid gland. One is hypothyroidism, which is when you have an underactive thyroid.he thyroid gland is a small gland that sits in front of the windpipe and that works with pituitary gland to know how much hormone needs to be secreted to keep you healthy. The thyroid gland takes iodine, found in many foods and iodized salt, and converts it to thyroid hormones.
Green, or green with a slight yellow tint, is the yew's color of choice. While some yews (Taxus spp.) have greenish-yellow foliage, a straight yellow is not in the color palette for these evergreen shrubs unless something is wrong.he females look like tiny dots, while the males have a pair of wings. They eat the foliage and bark of yews, causing a yellowish-brown color to appear. Mealybugs are around 1/8 inch long and feed on the sap of yew shrubs, causing sap levels to drop, which leads to a yellow discoloration of the foliage.
Description. Despite the fact that its flat, needle-shaped leaves remain a deep green year-round, the yew is not a conifer. The red arils, or berries, produced by the yew are relished by cedar waxwings, thrushes and other birds.