Two Distinct Endocrine Glands Are Each a Combination of Two

question 59

Essay

Two distinct endocrine glands are each a combination of two different embryonic tissues. Identify these glands, and describe their embryonic origins.

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Definitions:

Glomerulus

A network of capillaries located in the beginning of a nephron in the kidney where blood filtration takes place.

Vasa Recta

Specialized capillary that extends from the cortex of the kidney into the medulla and then back to the cortex.

Peritubular Capillary

Capillary network located in the cortex of the kidney; associated with the distal and proximal convoluted tubules.

Nephron

The basic structural and functional unit of the kidney, responsible for water and electrolyte balance.