The bronchi and pulmonary blood-vessels : their anatomy and nomenclature, with a criticism of Professor Aeby's view on the bronchial tree of mammalia and of man / by William Ewart.
- William Ewart
- Date:
- 1889
Licence: Public Domain Mark
Credit: The bronchi and pulmonary blood-vessels : their anatomy and nomenclature, with a criticism of Professor Aeby's view on the bronchial tree of mammalia and of man / by William Ewart. Source: Wellcome Collection.
Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.
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![Right Lateral Dorsi-basic Distribution. The Lateral Dorsi-basic Trunk, rather larger than its fellow, has Lateiui an unbranchecl course of i cm. The branch arising from its first bifurcation, ^.'^^^^'^^^i'^ the Inferior Retro-axillary, is comparatively small. It is analogous to, j^'^fj;.'?^'®'^''') although originating at a lower level than, the retro-mammaiy branch of the retio axii- axillary-basic ; audit distributes its svpcrior and inferior hranches, belonging dddedijee). to the same level as those from the I'etro-mammary, to the outer-posterior Siipenor_ •ii'c' iT inferior surface of the lung, where it comes into contact with the inferior oblique branches mid-dorsal distribution. latter!^° Five millimetres lower the lateral dorsi-basic divides antero-posteriorly Axillary ^ into a smaller anterior trunk the axiUary dorsi-basir, and a posterior slightly (x. ddded- more diverging trunk, the lateral dorsi-basic continued.* Lateral ^ The Axillary Dorsi-basic Trunk supplies the axillary and the dorsi-basic •PIT -r 1 IIP T . C-^- 'Wded- retro-axiilary region 01 the base. it has a length 01 i 5 cm. and gives an piHip). anterior T-shaped intra-jndmonayrjj branch of small size, and bifurcates into a supcrfi'Ciat and a deep divisinu. The Superficial Axillary Dorsi-basic bifurcates, at a distance Superficial,^ of I'5 cm. from its origin, into a shorter anterior and a longer piosterior peLe^^'ami bronchus, both of which subsequently divide into terminal branches, which ^''^''P ) . . .... axillary ' do not reach to the extreme base, but are imbricated over the basic divisions dorsi-basic from the deep branch. peLd)!^'^'^' The Deep Axillary Dorsi-basic after a course of l'5 cm. bifurcates Desceud- into an internal Descending Intra-pulmonary division, presenting jf^^njouai-y no large branches, and destined for the supply of the central parts of the base; and into the continuation of the ardlary dorsi-basic. This trunk, with (xij.ddded-\ the exception of a few short siqjcrjleial and deep branches., extends uninter- ji[iar^'i2ii ruptedly downwards and outwards to the neiofhbourhood of the axillary a-^iiiaiy ° dorsi-basic fringe, there bifurcating into an anterior and & p)osterior division distributed (xij. ddded- to the axillary fringfe. pedede). From the latter The larger Lateral Dorsi-basic Trunk presents an arrangement allfrdeejT' analogous to that of the axillary dorsi-basic. It supplies the retro-axillary p^J^^;.'^'^'^ fringe and the outer dorsal fringe. From its point of origin it extends terminal downwards outwards and slightly backwards, and it divides into a snperficicd^ i^ncie . and a deep braneli.. Superficial, The Superficial Lateral Dorsi-basic l^ifurcates into an anterior p. dpe), and and a piosterior bronchus, both of which sujaply supra-marginal arches im- lateral bricated above the deep distribution. dorsi-basic i . (^]- ddded- The Deep Lateral Dorsi-basic likewise gives rise to an anterior pedpd). * The lower portion of the posterior-basic distribution is incomplete in the metallic cast, owing to imperfect injection. The description given has been completed with the help of fresh dissections, and of dried specimens of the dissected bronchial tree.](https://iiif.wellcomecollection.org/image/b21518701_0209.jp2/full/800%2C/0/default.jpg)
