392 EXPLANATIONS. 



4. Cotylodon, or gland of the womb ; many of which are to be found 

 on the internal surface of the womb, as shown in the cut. 



5. The fundus of the uterus. This is the part to which the blunt end 

 of the instrument is to be applied when attempting to return the inverted 

 uterus. 



The womb is inverted in the manner represented by convulsive efforts 

 to expel the fcEtus. 



A VIEW OF SOME OF THE SUPERFICIAL MUSCLES. 



1 . Circular muscle of the lips, named orbicularis oris. 



2. 2. The muscle which raises the upper lip, termed levator lahii supe- 

 roris. 



3. A muscle at the angle of the jaw, which aids the motion of the lips, 

 termed zygomaticus. 



4. The " chewing " muscle, or masseter. 



5. The muscle which depresses the lower lips, termed depressor lahu 

 inferioris. 



6. The circular muscle of the eyelid, termed orbicularis palpebrarum. 



7. The muscle which raises the upper eyelid, termed levator pa/pebrce 

 superioris. 



8. A muscle which abducts and depresses the ear, termed abducens vel 

 deprimens aurem. 



9. A muscle which raises the fore extremity. 



10. A muscle which aids in the act of chewing, and also in depressing 

 the head. It is called sterno maxillaris. 



1 1 . The triangular muscle over the region of the shoulder, termed 

 trapezius. 



12. This muscle draws the arm backwards, and aids the motions of the 

 trunk. It is named latissimus dorsi. 



13. A muscle of the chest known as pectoralis magnus. 



14. 14. An abdominal muscle called external oblique. 

 14. A muscle of the haunch, known as the gluteus. 



16. The muscles in this region aid in extending the thigh; the region 

 is the seat of the fascia lata. 



17 and 18. Muscles known as biceps and triceps. 

 19. An abdominal muscle, termed transverse. 



EXPLANATION OF CUT OF THE HEART. 



1,1, and 3. Divided surfaces of the left ventricle. 



2. One of the divided surfaces of right ventricle. 



4. Large fleshy eminence or pillar within the left ventricle. 



