The thyroid is a butterfly shaped gland that sits low on the front of the neck. Of the neck muscles the thyroid is covered anteriorly by the strap or infrahyoid muscles and by the sternocleido mastoid muscles.
Anatomy Of The Thyroid Gland Included Throat Bone Thyroid
The thyroid is a highly vascular brownish red gland located anteriorly in the lower neck extending from the level of the fifth cervical vertebra down to the first thoracic.
Anatomy of thyroid. Thyroid glands are brownish red in color. The gland itself consists of two oblong lobes lying on either side of the trachea windpipe and connected by a narrow band of tissue called the isthmus. The follicles are made up of a central cavity filled with a sticky fluid called colloid.
Most animals however have two separate glands on either side of the trachea. Calcitonin plays a role in calcium homeostasis. Your thyroid lies below your adams apple along the front of the windpipe.
Thyroid hormones regulate the basal metabolic rate and are important in the regulation of growth of tissues particularly nervous tissue. The infrahyoid muscles strap muscles are the sternohyoid sternothyroid thyrohyoid and omohyoid. The thyroid has two side lobes connected.
On average the gland weighs between 15 to 25 g and is the largest of the endocrine glands. Surrounded by a wall of epithelial follicle cells the colloid is the center of thyroid hormone production and that production is dependent on the hormones essential and unique component. The tissue of the thyroid gland is composed mostly of thyroid follicles.
The thyroid gland or simply the thyroid is an endocrine gland in the neck consisting of two lobes connected by an isthmus. It is found at the front of the neck below the adams apple. Anatomy of the thyroid gland the thyroid arises from a downward outpouching of the floor of the pharynx and a persisting remnant of this migration is known as a thyroglossal duct.
The gland varies from. The thyroid gland lies in the neck in front of the upper part of the trachea. The gland may enlarge in some normal conditions like menstruation and pregnancy.
Tri iodothyroninet3 and thyroxine t4. In humans the thyroid gland has a butterfly shape with two lateral lobes that are connected by a narrow section called the isthmus. The thyroid gland is a butterfly shaped vascular red brown endocrine gland situated in the midline of the anterior neck.
Under normal circumstances it extends from the level of the 5th cervical vertebra c5 to the first thoracic vertebra t1. Two types of hormones are produced which are the iodine containing hormones.
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