Which one of the following is a temporary end | vedclass

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(C) temporary endocrine gland is one that functions as an endocrine organ only for a specific period during the life cycle of an organism.In humans,th

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Placenta

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(C) temporary endocrine gland is one that functions as an endocrine organ only for a specific period during the life cycle of an organism.In humans,the $Placenta$ acts as a temporary endocrine gland during pregnancy.It produces several hormones essential for maintaining pregnancy,such as human chorionic gonadotropin $(hCG)$,human placental lactogen $(hPL)$,estrogens,and progestogens.Once the pregnancy ends and the placenta is delivered,it ceases to function as an endocrine gland.In contrast,the pineal gland,pancreas,and parathyroid glands are permanent endocrine glands that function throughout the life of an individual.

Germ layer	Derivatives
$a$. Mesoderm	All types of muscles of body
$b$. Ectoderm	Iris Muscles and Ciliary Muscles
$c$. Endoderm	Lining of Middle ear
$d$. Ectoderm	Adrenal cortex and Medulla
$e$. Mesoderm	Sclera and Choroid layer of eye

Which one of the following is a temporary endocrine gland?

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