THE ANATOMY OF THE THYROID GLAND 



209 



EXPLANATION OF FIGURES 



Abbreviations 



I — V, first to fifth branchial clefts 



A. lat., lateral artery 



A. thry., thyroid artery 



A. thyr. imp., arteria thyreoidea impar 



Art., artery 



b. hy., basi-hyal cartilage 



cap., fibrous capsule of the thyroid 

 gland 



ch. ep., chief cells of the follicular 

 epithelium 



col., colloid 



com., commissural artery 



cor., coronary arteries 



coraco-mdb., coraco-mandibular artery 



coracoid, coracoid artery 



DA., dorsal aorta 



en., vascular endothelium 



ep., epithelium of the thyroid follicles 



epibr., epibranchial artery 



fol. thyr., follicles of the thyroid gland 



gastric, gastric arteries 



hy. sn., hyoid sinus 



hypobr., hypobranchial artery 



hypobr.', its anastomosis with the com- 

 missural artery. 



L., vasa lymphatica 



I. c, lateral commissural arteries 



Lai. hypobr., lateral hypobranchial ar- 

 tery 



M.c.br., coraco-branchial muscle 



M. c. hy., coraco-hyoideus muscle 



M. c. vidb., coraco-mandibularis muscle 



Med. hypobr., median hypobranchial 

 artery 



p. c, pericardial arteries 



pharyn., pharyngeal arteries 



R B C, red blood cells. 



s. a. v., ventral arterial sinus of the 

 first hypobranchial loop. 



sbcl., subclavian artery 



thyr., thyroid gland 



thyr. sn., thyroid sinus 



V. vein ■/ 



V A, ventral aorta 



V L, venae lymphaticae 

 W B C, white blood cells 



X., point of anastomosis of vasa and 



venae lymphaticae 

 y., injected carmine granules in the 



venae lymphaticae 



