Trichuris Trichuria (whip Worm)

Question 1

Life cycle

Answer 1

1) embryonate eggs ingested
2) larvae hatch in small intestine
3) larvae ingrate to transverse and ascending colon, –> mature into adults and mate
4)adult female she’d unembryonated eggs which pass out in faces
5) eggs embryonate in soil
6£ eggs pass our within 3 months. Female adult love 1.5-2 years

Question 2

Pathogenesis

Answer 2

• structural defects in epithelium
• histo pathology damage to gut
• wavy infections cause ileitis and anaemia

Question 3

Clinical disease

Answer 3

• acute dysentery
• leading to diarrhoea
• chronic colitis
• protracted tenesmus–> leads to rectal prolapse
• chronic infections causes deficits in cognitive and inter lecture development

Question 4

Diagnosis

Answer 4

Identification of eggs in stool or use of colonoscopy

Question 5

Who and where does it affect?

Answer 5

• mainly children
• aids, sub-Saharan Africa
• tropical regions of America