General

General

General nature or nature terms.

Contributors in General

General

The process of protecting against infectious disease by introducing into the body a vaccine that stimulates a primary immune response and the production of memory cells against the disease-causing ...

vacuoles

Biology; General

Membrane-bound fluid-filled spaces in plant and animal cells that remove waste products and store ingested food.

vagina

Biology; General

The tubular organ that is the site of sperm deposition and also serves as the birth canal.

vascular plants

Biology; General

Group of plants having lignified conducting tissue (xylem vessels or tracheids).

vas deferens

Biology; General

The duct that carries sperm from the epididymis to the ejaculatory duct and urethra. The tube connecting the testes with the urethra.

vasectomy

Biology; General

A contraceptive procedure in men in which the vas deferens is cut and the cut ends are sealed to prevent the transportation of sperm. Surgical separation of the vas deferens so that sperm, while ...