1.THE CUTANEOUS BRANCH OF THE SUPRASCAPULAR NERVE IN CHINESE
Acta Anatomica Sinica 1955;0(03):-
A cutaneous branch of the suprascapular nerve was observed in 9 from 180 Chinese adult arms (5.0?1.62%), it has been found bilaterally in 3, and unilaterally in other 3 male cadavers.The cutaneous branch arose from the stem of an essentially normal suprascapular nerve under the superior transverse scapular ligament. After passing between the coraco-clavicular and coraco-acromial ligaments the cutaneous branch pierced obliquely the deltoid muscle and supplied the proximal third of the antero-lateral aspect of the arm. The distribution territory of the cutaneous branch coincided with the anterior half of the deltoid muscle.
2.ON THE FORMATION OF THE SUPERFICIAL VOLAR ARCH IN CHINESE
Hengru DAI ; Jiadu YAO ; Minxue ZHAO ;
Acta Anatomica Sinica 1953;0(01):-
One hundred upper limbs of Chinese children of about ten years old weredissected for the study of their arterial branches forming the superficialvolar arch.The arches were divided into four types:1)radial arterial type,2)radial-ulnar arterial type,3)median-ulnar arterial type and 4)archlesstype.The first type has the highest percentage of 46%,the second one comesnext with 34%.The archless cases occupy 19%,and only in 1% was thearch formed by branches of the median and ulnar arteries.
3.AN OBSERVATION ON THE RAMIFICATION OF THE A. ILIACA INTERNA AND EXTERNA OF CHINESE MALE ADULTS
Jiaqing YAO ; Hengru DAI ; Daojun DENG ;
Acta Anatomica Sinica 1955;0(03):-
The branches of the a. iliaca int. and ext. of 60 Chinese male adult cadavers (120sides) were studied and the findings are as follows: 1. The average length of the internal iliac trunk is 4.35?0.17cm,?=?1.34cm,in the left, and 4.56?0.21cm,?=?1.63 cm in the right. It is inversely proportionalto the average length of the common iliac artery. 2. The patterns of the branching of the superior, inferior gluteal and internalpudendal artieries may be classified into 5 types: type Ⅰ is present in 63 sides (cases)(52.5?4.55%); type Ⅱ and Ⅲ occur in 26 cases (21.67?3.76%); type Ⅳ occursin 4 cases (3.33?1.64%) and type Ⅴ is present only in 1 side (0.85 0.83%). 3. In most of the cases, the superior gluteal artery passes between the lumbosacraltrunk and the first sacral nerve (79.83%), while the inferior gluteal (66.67%) and theinternal pudendal artery (62.19%) usually pass between the second and third sacralnerve into the gluteal region. A few of these vessels may divide into 2 or 3 branchesbefore leaving the pelvis. 4. The accessory pudendal artery is present in 13 cases (10.83?2.83%). 5. The obturator artery originates from the internal iliac artery in 102 cases(85.0?3.26%), most of them spring from the anterior trunk of the internal iliacartery. In the other 18 cases, 2 spring directly from the external iliac artery (1.67?1.17%), 13 from the inferior epigastric artery (10.83?2.85%), and 3 have doubleorigins (2.5?1.42%), in which the 2 branches spring separately from the internal iliacand inferior epigastric artery. These abnormal obturator arteries occur in 14 cadavers(23.33?5.44%). 6. The iliolumbar artery is present in 80 cases (66.67?4.30%) as a singlebranch, in 37 cases (30.83?4.2%) with 2 separate branches and in 3 cases (2.5?1.43%) with 3 branches. It has various origins, most of them spring from the maintrunk or from the posterior trunk of the internal iliac artery. 7. The lateral sacral artery occurs in 54 cases (45.0?4.54%) as a single branch,in 57 cases (47.5?4.55%) with 2 branches, and in 9 cases (7.5?2.44%) with 3branches. Its origin is comparatively constant, usually arising from the posterior trunkof the internal iliac artery. 8. Most of the superior vesical arteries spring from the root of the umbilical artery.The number of branches of this vessel varies from 1 to 6, but most of them have 1 (46cases, 38.33?4.43%) or 2 (45 cases, 37.5?4.42%) branches. 9. The inferior vesical artery has 1--3 branches. Most of them have a singlebranch (104 cases, 86.67?3.1%), it springs commonly from the anterior trunk of theinternal iliac artery or from the internal pudendal artery. 10. The deferent artery springs in 85 cases (70.83?4.15%) as a single branch,and in 35 (29.17?4.15%) with 2 branches. In the single-branch type it springsmostly from the root of the umbilical artery, and in the two-branch type both springcommonly from the superior vesical artery. 11. The inferior rectal (middle hemorrhoidal) artery is present only in 106 cases(88.33?2.93%), most of them spring from the internal pudendal and inferior glutealarteries. In 3 cadavers (5.0?1.99%) they spring from the middle sacral artery sym-metrically. 12. In 103 cases (85.85?3.32%) the inferior epigastric artery springs indepen-dently from the external iliac artery, in 16 cases (13.33?3.13%) it springs as a com-mon trunk with the obturator artery, and in one side (0.83?0.83%) with the medialfemoral circumflex artery. Its origin-site on the external iliac artery is proxmal to theinguinal ligament in 69 cases (57.5?4.51%) with an average distance of 0.95?0.10cm,?=?0.59cm in the left, and 0.73?0.08 cm,?=?0.43 cm in the right; in 43cases (35.83?4.67%) the origin-site is just behind the ligament; and in 8 cases(6.67?2.28%) it is distal to the ligament, its average distance is 0.48?0.09 cm,?=?0.18 cm in the left, and 0.45?0.11 cm,?=?0.22 cm in the right. 13. The deep iliac circumflex artery, a single branch, is present in 115 cases(95.83?1.82%), the remaining 5 cases (4.17?1.82%) have 2 branches. In 54cases (45.0?4.54%) its origin-site is just behind the inguinal ligament; in 36 cases(30.0?4.18%) is proximal to the ligament with an average distance of 0.56?0.09cm,?=?0.38 cm in the left, and 0.61?0.09 cm,?=?0.35 cm in the right; and in25 cases (20.83?3.72%) it is distal to the ligament, the average distance shows0.62?0.12 cm,?=?0.45 cm in the left, and 0.69?0.12 cm,?=?0.41 cm in theright.