Neuroanatomy of Pruritus of Cutaneous Origin

Neuroanatomy of Pruritus of Cutaneous Origin:

• Pruritogen =>
• Free Nerve Endings =>
• Unmyelinated C-nerve fibres =>
• Dorsal horn of spinal cord =>
• Contralateral spinothalamic tract =>
• Posterolateral ventral thalamic nucleus =>
• Somatosensory cortex (post-central cingulate gyrus)

Image: from Medicalchemy

Tags: Spinothalamic tract - Dorsal horn of spinal cord - Free Nerve Endings - Posterolateral ventral thalamic nucleus - Pruritus - Post-central cingulate gyrus - Unmyelinated C-nerve fibres
Posted by Medicalchemy
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Headache Image - Woman Holding Her Head

Headache Image -

Woman Holding Her Head

Image: from TinyPic.com
Tags: Headache - Holding Head - Woman
Posted by Medicalchemy
Medicalchemy Group: Images - Mnemonics - Anatomy - Cardiology - Dermatology - Drugs - Endocrinology - Gastroenterology - Genetics - Geriatrics - Gynecology -Haematology-Immunology - Infection - Metabolic Medicine - Nephrology - Neuroscience - Nutrition - Obstetrics - Oncology - Ophthalmology - Orthopaedics - Otolaryngology -Pathology-Pharmacology - Physiology - Psychiatry -Public Health - Respiratory - Surgery - Toxicology - Vascular.

Structures Passing Through Foramen Magnum (Mnemonic)

Structures Passing Through Foramen Magnum:

• Accessory nerves (spinal roots)
• Meningeal lymphatics
• Spinal cord
• Spinal meninges
• Sympathetic plexus of vertebral ateries
• Vertebral arteries
• Vertebral artery spinal branches

Mnemonic - 'Spinal Meninges Make A Special Vertical Sheath':

• Spinal - Spinal Cord
• Meninges - Spinal Meninges
• Make - Meningeal lymphatics
• A - Accessory nerves (spinal roots)
• Special - Sympathetic plexus on vertebral arteries
• Vertical - Vertebral arteries
• Sheath - Spinal branches of vertebral arteries

Image: from Shannan Muskopf (cc)

Tags: Accessory Nerve - Foramen Magnum - Meninges - Skull - Spinal Cord - Sympathetic Plexus - Vertebral Artery
Posted by Medicalchemy
Medicalchemy Group: Images - Mnemonics - Anatomy - Cardiology - Dermatology - Drugs - Endocrinology - Gastroenterology - Genetics - Geriatrics - Gynecology - Haematology -Immunology - Infection - Metabolic Medicine - Nephrology - Neuroscience - Nutrition - Obstetrics - Oncology - Ophthalmology - Orthopaedics - Otolaryngology - Pathology -Pharmacology - Physiology - Psychiatry -Public Health -Respiratory - Surgery- Toxicology - Vascular.