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韓人氣管枝의 鑄型標本에 의한 解剖學的 硏究

Anatomical Studies on the Bronchical Trees in Korean by the Cast Specimens

경북의대잡지 1967년 8권 2호 p.265 ~ 287
이선규 (  ) - 경북대학교 의과대학 해부학교실

Abstract


Bronchial trees of 72 human cadavers were injected with artificially synthetized vinylite resin to make cast specimens. The specimens were classified by the number of bronchial trees, originations, shapes, the directions, and the inter-relationship of the trees,and the data was analyzed statistically and dominant and variant types were observed.
1) Seven different types of bronchial ramifications were found in the right upper lobe. The type ramifying to r. apicalis (Bl), r. (lobi superioris) dorsalis (B=) and r. (lobi superioris) ventralis (B3) at the same level was found most frequently (48.6%). In two cases, r. apicalis (B´) ramified from the trachea (2.8%).
2) In 62.5% of cases, r. medius lateralis (BQ) was larger than r. medius medialis (B6) in the right middle lobe (type I), and in 5.6% of cases,, r. medius lateralis (B~) ramified from the upper position of r. medius medialis (B") (type IV).
3) In the right lower lobe, r. (lobi inferioris) superior (Bs) ramified into threerm. superior (Ba), rm. lateralis t~b) and rm. medialis (Bs).Rm, lateralis (B6) ramified first, and then rm. superior(Ba) and rm. medialis (Bs) took off (type I), which was dominant type (51.4%).
4) R. subsuperior (B~) was found in 25.1% of cases in the right lung.
5) In the right lung, r. mediobasalis branc hed into rm. ventralis rami mediobasalis (Ba) and rm. dorsalis rami mediobasalis (B;) in 16. 7% of cases (type I). In 69.0 % of cases, rm. ventralis rami mediobasalis vas lacking (type II) and in 14.3 % of cases, rm. dorsalis rami mediobasalis was lacking (type III).
6) T´he most frequently observed pattern was that the r. mediobasalis, r. ventrobasalis, r. laterobasalis and r. dorsobasalis branched off from trunk downward in that order.
7) In the left upper lobe, superior bronchial division ramified into r. apicodorsalis(B´+=) and r. (lobi superioris) ventralis (B3), and inferior bronchial division into r.lingualis superior (B4) and r.lingualis inferior (B6). The inferior bronchial di´ision corresponded to the middle lobe of the right lung.
In they superior bronchial division, rm.apicalis rami apicodorsalis (Ba+z) of r. apicodorsalis (Bi+z) appeared to be distributed most fregently in the upper and front parts of the lung apex (type I, 59.6%).
Rm. (lobi superioris) horizontalis rami apicod-orsalis (.B1+z) ramified from r. (lobi superioris) ventralis (B3) in 5.6% (type IV). In 77.6% of cases, rm. (lobi superioris ventralis) lateralis rami (lobi superioris) ventralis (B3) ramified immediately before r. (lobi superioris) ventralis (B3) (type I). In the inferior bronchial division, r.lingualis superior (B´) was found to be larger than r.lingualis inferior in 63.9% of cases.
8) In the lower lobe, r. (lobi inferioris) subsuperior (B~) was seen in 13.9% of cases which was less frequent than that found in the right lower lobe.
9) In the basal bronhus of the left lower lobe,r. ventrobasalis (B$) ramified at the upper most. pe;sition, then r. laterobasalis (B~) and r. dorsoba;~alis (B10) ramified below the origin of r. ventroba;~alis (Bs) (type I) in 61.1%. The accessory bronchus of r. mediobasalis (BX7), ramified independently from the common trunk in 5.4%a of cases (type VI).

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