CONTROL OF SMALL BLOOD VESSELS

Duration: 20 min

Year Published: 1941

Creator: Brenton R. Lutz

Format: 16mm

Description: The film illustrates both the structural and the physiological features of arterioles, pre-capillaries and capillaries. Magnifications up to 900 times are used. It consists of a cinephotomicrographic record of the responses of the small blood vessels of the tongue of the frog, Rana pipiens, to stimulation of small nerves with a micro-electrode. The blood vessels, the nerve fibers, and the micro-electrode are always included in the same field at all magnifications. The distribution of contractile elements, the non-contractile elements, and the perivascular nerve plexus is demonstrated. "An excellent constructed film for demonstration purposes." Anatomical record

Complete Record: Dewey number: 612.1 Audience level: c-adult Format/cost: 16-sl-$28; rent $1 Distributors / rental: Boston University; Ohio Department of Education

Metadata Source:Educational Film Guide 1946