Transactions . musfrom the descending palatine branch of the internal frequently divides at some distance from the tonsil intotwo branches, one of which passes medial to the superior ton-sillar fossa, wdiile the other supplies the lateral portion of theupper pole region. This vessel enters the capsule from aboveand somewhat dorsal to the middle. It has been constantbut not large. .•)lo Till ]iosteriiji- t()n>illar mass receives a suppl\- from twosources, the ascendinj;- pharyngeal and the ascending- ramus from the ascending pharyngeal enters the tonsilon the (lor
Transactions . musfrom the descending palatine branch of the internal frequently divides at some distance from the tonsil intotwo branches, one of which passes medial to the superior ton-sillar fossa, wdiile the other supplies the lateral portion of theupper pole region. This vessel enters the capsule from aboveand somewhat dorsal to the middle. It has been constantbut not large. .•)lo Till ]iosteriiji- t()n>illar mass receives a suppl\- from twosources, the ascendinj;- pharyngeal and the ascending- ramus from the ascending pharyngeal enters the tonsilon the (lorso-lateral aspect; it may he near the lower pole oras high as the middle. (Jne emliryo was enet)untered in whichthere were two rami from the ascending pharyngeal, one en-tering the mass near the lower pole and one at the upjier \ distinct ramus for this region may be lacking and the vesselis generally slender. The other vessel, from the ascendingpalatine, passes between the inferior and middle tonsillar. Fig. 9. Transverse section of left tonsil showing lymphoid tissue in theplica triangularis and a portion of the mucous membrane might be termed adherent plica; the anterior tonsillar fossais some little distance back. M, mucous membrane. masses and sends branches to both. .\s fusion of the masses? is finally accomplished the arteries persist, so that the ton-sillar ramus comes to supply the lateral aspect of the wholetonsil. This vessel is one of the largest going to the is hardly correct to speak of this vessel as a single one,for there are a number of variations which have been encoun-tered : (a) a single vessel from the ascending palatine may])ierce the constrictor and run up between it and the tonsd :or, (b) there may be two vessels from this same source given 317 (iff at some little distance from each other; or, (c) there maybe one branch from the source just mentioned and one ramusdirectly from the external maxillary; or. (d) two branchesma
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectophthalmology, bookye