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  • Title: Microvessels in the human orbit in relation to the connective tissue system.
    Author: Bergen MP.
    Journal: Acta Morphol Neerl Scand; 1982 Jun; 20(2):139-50. PubMed ID: 7113770.
    Abstract:
    In the connective tissue system of the human orbit, the microvascular bed mainly arises from and drains into relatively large-calibre arteries and veins. The microvascular system shows a density increase from the apical region of the orbit towards the hind part of the eye-ball. Some of the microvessels are long, often arranged in loops. The smallest-sized vessels, branches of these long microvessels, show a dichotomous branching pattern and are in general confined to one adipose tissue compartment. Besides a "metabolic" function, the microvascular system, due to its compartmentalized structure, makes theoretically possible selective blood-filling of one or more adipose tissue compartments. If this does in fact occur, the microvascular bed, in co-operation with the orbital connective tissue "organ", could serve an important biomechanical function in controlling and regulating eye-ball movements. At microvascular level, the orbital vascular system is intensively interconnected with the extra-orbital vascular system. In the next article some histological aspects of the orbital connective tissue system will be described.
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