Definition of discipline for English Language Learners. : 1  to punish (someone) as a way of making sure that rules or orders are obeyed. : 2  to train (yourself) to do something by controlling your behavior.
Reviewed by Editor on Feb 15, 2014. Broken capillaries are also known as a condition called Telangiectasia. These capillaries are also known as spider veins. Rosacea is a skin condition that is characterized as by permanent or semi-permanent redness of the face, or erythema.This redness can be distinguished as skin that only reddens sometimes such as in cases of blushing, or it can signal redness that does not fade away.eviewed by Editor on Feb 15, 2014. Broken capillaries are also known as a condition called Telangiectasia. These capillaries are also known as spider veins. Rosacea is a skin condition that is characterized as by permanent or semi-permanent redness of the face, or erythema.
Report Abuse. Exchange vessels include capillaries and postcapillary venules. The walls of capillaries are composed of only a tunica intima (a thin layer of endothelial cells). The average diameter of the lumen is just large enough to allow erythrocytes (red blood cells) to pass through in single file.Exchange vessels are the site where gases, nutrients, and wastes are exchanged between blood and surrounding tissues.There are three major type of capillaries: continuous, fenestrated, and discontinuous.xchange vessels are the site where gases, nutrients, and wastes are exchanged between blood and surrounding tissues. There are three major type of capillaries: continuous, fenestrated, and discontinuous.