725 results
Hormonal Secretions of the Adrenal Gland

#Adrenal #Gland #Cortex #Medulla #Hormones #Pathophysiology #Endocrinology
Secretions of the Adrenal ... Gland #Adrenal ... Gland #Cortex #Medulla
Central Nervous System Pharmacology - Somatic and Autonomic Receptors
Somatic
 • Rocuronium -> Non-depolarizing (reversible competitive inhibitors)
Innervation of Adrenal ... Medulla - Ach - ... > Adrenal Medulla
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Adrenal Incidentalomas ... evaluation • Adrenal ... Medulla: Pheochromocytoma ... mendesthiagob #Adrenal
Limbic system
Medial/rostral hypothalamus
Lateral hypothalamus
Hypothalamic neurosecretion
ADH
Autonomic centers
Signal generator
CRH
Negative feedback
Sympathetic nervous system
Anterior pituitary
ACTH
Adrenal medulla
Adrenal cortex
#Cortisol
#Epinephrine (norepinephrine)
Response to signal
pituitary ACTH Adrenal ... medulla Adrenal
Major Physiological Effects of Angiotensin II

Altered Peripheral Resistance
I. Direct vasoconstriction
II. Enhancement of peripheral noradrenergic
neurotransmission:
  A.
catecholamines from adrenal ... medulla Altered ... Renal Function ... aldosterone from adrenal ... Increased renal
Action potential
a, adrenergic receptor
Heart, glands, smooth muscle
Inactivated:
by #MAO
by #COMT
Capillary
Diffusion into blood (raises NE in blood)
Activates
Inhibits
Adrenal medulla
#L-tyrosine
Varicosities
Epinephrine
Bloodstream
Inactivated
Activates Inhibits Adrenal ... medulla #L-tyrosine
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
Hypercalcemia • Medullary ... body habitus • Medullary
Normal prominent medullary pyramids on renal POCUS
No hydronephrosis. Has prominent medullary pyramids. They can appear markedly
Normal prominent medullary ... pyramids on renal ... Has prominent medullary ... RJonesSonoEM #Normal #medullary ... #pyramids #renal
Nephron Physiology and Transporters
 • Proximal Tubule
 • Thick Ascending Limb
 • Distal Convoluted Tubule
 •
Duct • Inner Medullary
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Lateral Medullary ... neudrawlogy #Lateral #Medullary