Excess Vitamin A
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Excess Vitamin A
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Amino acid metabolism
Nitrogen and urea cycle
Hartnup disease
Ornithine transcarbamylase deficiency
Maple syrup urine disease
Homocystinuria
Phenylketonuria (NORD)
Abetalipoproteinemia
Hypertriglyceridemia
Hyperlipidemia
Vitamin B12 deficiency
Nucleotide metabolism
Cholesterol metabolism
Disorders of amino acid metabolism: Pathology review
Purine and pyrimidine synthesis and metabolism disorders: Pathology review
Adenosine deaminase deficiency
Severe combined immunodeficiency
Gout
Diabetes mellitus: Pathology review
Physiological changes during exercise
Endocrine system anatomy and physiology
Glucagon
Insulin
Fats and lipids
Lipid-lowering medications: Fibrates
Lipid-lowering medications: Statins
Free radicals and cellular injury
Ischemia
Hypoxia
Atrophy, aplasia, and hypoplasia
Hyperplasia and hypertrophy
Metaplasia and dysplasia
Oncogenes and tumor suppressor genes
Anorexia nervosa
Bulimia nervosa
Eating disorders: Pathology review
Vitamin K deficiency
Vitamin D deficiency
Excess Vitamin A
Excess Vitamin D
Folate (Vitamin B9) deficiency
Niacin (Vitamin B3) deficiency
Vitamin C deficiency
Wernicke-Korsakoff syndrome
Beriberi
Iodine deficiency
Zinc deficiency
Marasmus
Kwashiorkor
Fat-soluble vitamin deficiency and toxicity: Pathology review
Zinc deficiency and protein-energy malnutrition: Pathology review
Water-soluble vitamin deficiency and toxicity: B1-B7: Pathology review
Familial adenomatous polyposis
Azoles
Echinocandins
Miscellaneous antifungal medications
Miscellaneous cell wall synthesis inhibitors
Cell wall synthesis inhibitors: Cephalosporins
Protein synthesis inhibitors: Aminoglycosides
Mycobacterium tuberculosis (Tuberculosis)
Tuberculosis: Pathology review
Anatomy of the leg
Dementia with Lewy bodies
Bones of the cranium
Anatomy of the cranial base
Anatomy of the orbit
Anatomy of the eye
Anatomy of the nose and paranasal sinuses
Anatomy of the oral cavity
Anatomy of the temporomandibular joint and muscles of mastication
Muscles of the face and scalp
Anatomy of the salivary glands
Nerves and vessels of the face and scalp
Anatomy of the tongue
Anatomy of the pterygopalatine (sphenopalatine) fossa
Anatomy of the inner ear
Anatomy of the infratemporal fossa
Anatomy of the external and middle ear
Anatomy clinical correlates: Skull, face and scalp
Anatomy clinical correlates: Ear
Anatomy clinical correlates: Eye
Anatomy clinical correlates: Temporal regions, oral cavity and nose
Gallbladder histology
Esophagus histology
Stomach histology
Small intestine histology
Colon histology
Liver histology
Pancreas histology
Laxatives and cathartics
Antidiarrheals
Acid reducing medications
Esophageal disorders: Pathology review
GERD, peptic ulcers, gastritis, and stomach cancer: Pathology review
Inflammatory bowel disease: Pathology review
Malabsorption syndromes: Pathology review
Diverticular disease: Pathology review
Appendicitis: Pathology review
Gastrointestinal bleeding: Pathology review
Colorectal polyps and cancer: Pathology review
Pancreatitis: Pathology review
Gallbladder disorders: Pathology review
Jaundice: Pathology review
Viral hepatitis: Pathology review
Cirrhosis: Pathology review
Hepatitis A and Hepatitis E virus
Hepatitis D virus
Hepatitis C virus
Adrenocorticotropic hormone
Growth hormone and somatostatin
Oxytocin and prolactin
Antidiuretic hormone
Thyroid hormones
Synthesis of adrenocortical hormones
Cortisol
Cyanotic congenital heart defects: Pathology review
Key Takeaways
Excess vitamin A, also referred to ask hypervitaminosis A, refers to the toxic effects of ingesting too much of preformed vitamin A. Excess vitamin A causes problems such as liver damage, joint pain, headache, dry skin, alopecia, and birth defects which is the reason why it is contraindicated in pregnant women.