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Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Nerve ending scanned by electron micrograph Nerve ending scanned by electron micrograph
The human hypothalamus (in color) in relation to the optic chiasm and the pituitary gland. The human hypothalamus (in color) in relation to the optic chiasm and the pituitary gland.
Nerve involvement in tetanus and rabies. Nerve involvement in tetanus and rabies.
SSRIs block the reuptake of serotonin into nerve terminals, resulting in increased serotonin levels. SSRIs block the reuptake of serotonin into nerve terminals, resulting in increased serotonin levels.
optic disc (blind spot) optic disc (blind spot)
Cnidarian Nerve Net Cnidarian Nerve Net
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

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