Endocrine and Exocrine Glands

The pituitary gland is sometimes called the master gland of the endocrine system, because it controls the functions of the other endocrine glands. The pituitary gland is no larger than a pea, and is located at the base of the brain.

Glandular epithelium is a specialized type of epithelial tissue that forms glands, which are responsible for secreting substances like hormones, enzymes, or mucus.

Mammary glands are modified sebaceous glands which secrete milk and are found only in mammals.

Adrenal glands are situated on top of each kidney.

Thymus is known as the training school of T-lymphocytes and is responsible for the proliferation and maturation of T-lymphocytes.

Corpora arenacea (or brain sand) are calcified structures in the pineal gland.

The liver is the largest internal organ and the largest gland in the human body, performing numerous essential metabolic functions.

The liver is the organ responsible for producing bile, which is essential for the digestion and absorption of fats. Bile is stored in the gallbladder.

Von Ebner's glands are glands found in circumvallate papillae of the tongue. They secrete a serous fluid that begin lipid hydrolysis. They facilitate the perception of taste.

The submandibular ganglion (or submaxillary ganglion in older texts) is part of the human autonomic nervous system. It is one of four parasympathetic ganglia of the head and neck. The submandibular ganglion is responsible for innervation of two salivary glands: the submandibular gland and sublingual gland.

Adrenal gland is situated on the top of each kidney. These are endocrine glands that produce a variety of hormones including adrenaline and steroids aldosterone and cortisol. 

Sweat glands, also known as sudoriferous glands, are small tubular structures of the skin that produce sweat. Sweat glands are a type of exocrine gland, which produce and secrete substances onto an epithelial surface by way of a duct.

Corpus allatum is an endocrine gland which generates juvenile hormone. It plays a crucial role in metamorphosis. Surgical removal of corpora allata can cause an immature larva to pupate at its next molt, resulting in a miniature adult.

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