The Suprarenal Glands

Question 1

How are the suprarenals peritonised?

Question 2

What are the two parts of the suprarenal glands?

Answer 2

Cortex and medulla

Question 3

What does the cortex arise from embryologically?

Answer 3

Mesodermal epithelium

Question 5

What does the medulla arise from embryologically?

Answer 5

Neuroectoderm

Question 6

What is the superior suprarenal artery a branch of?

Answer 6

The inf. phrenic artery

Question 7

What is the middle suprarenal artery a branch of?

Answer 7

Aorta

Question 8

What is the inferior suprarenal artery a branch of?

Answer 8

Renal artery

Question 9

Question 10

What does the suprarenal vein on the right side drain into?

Answer 10

IVC

Question 11

What does the suprarenal vein on the left side drain into?

Answer 11

Left renal vein

Question 12

What are the three distinct zones of the cortex?

Answer 12

Zona glomerulosa

Zona fasciculata

Zona reticularis

Question 13

Identify the three cortex zones

Answer 13

Notes :-

• Zona glomerulosa is very thin and closest to capsule
• Zona fasciculata is the thickest and in the middle
• Zona reticularis is at the bottom and is thicker than glomerulosa

Question 14

What does the glomerulosa secrete?

Answer 14

Mineralcorticoids (aldosterone)

Question 15

What does the fasciculata secrete?

Answer 15

Glucocorticoids (cortisol)

Question 16

What does the reticularis secrete?

Answer 16

Gonadotrophins