watershed

wa·ter·shed

(wah'tĕr-shed),

1. The area of marginal blood flow at the extreme periphery of a vascular bed.

2. Slopes in the abdominal cavity, formed by projections of the lumbar vertebrae and the pelvic brim, that determine the direction in which a free effusion gravitates when the body is supine.

Farlex Partner Medical Dictionary © Farlex 2012

wa·ter·shed

(waw'tĕr-shed)

1. The area of marginal blood flow at the extreme periphery of a vascular bed.

2. Slopes in the abdominal cavity, formed by projections of the lumbar vertebrae and the pelvic brim, which determine the direction in which a free effusion will gravitate when the body is in a supine position.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

watershed

a dividing line, such as a ridge, between two different river systems.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

wa·ter·shed

(waw'tĕr-shed)

1. Area of marginal blood flow at the extreme periphery of a vascular bed.

2. Slopes in the abdominal cavity, formed by projections of the lumbar vertebrae and the pelvic brim.

Medical Dictionary for the Dental Professions © Farlex 2012