What is an endocrine gland?
An endocrine gland refers to a type of gland. (1)
Endocrine glands are a part of the endocrine system. (2)

What does an endocrine gland do?
releases hormones directly into the bloodstream (1)
secrete substances directly into the blood stream (2)
Endocrine glands are also known as ductless glands. (2)

What are types of endocrine glands?
hypothalamus (1)
pituitary gland (1, 2)
pineal gland(1)
thyroid gland (1, 2)
parathyroid gland(1)
thymus gland(1)
adrenal glands (1, 2)
pancreas (1)

ovaries(1)
testes(1)

Resources
1. https://www.healthline.com/health/the-endocrine-system#function
2. https://my.clevelandclinic.org/health/body/22947-exocrine-glands

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