| The two tonsillar pillars define the palatine tonsils anteriorly and posteriorly. |
| The capsule also is reinforced in front by the patellar and quadriceps tendons and posteriorly by the popliteus and gastrocnemius muscles. |
| The humeral head can dislocate anteriorly, posteriorly or inferiorly in relation to the glenoid fossa. |
| On each side of the mid-line are three to four singular imprints, showing a tendency to increase in length posteriorly. |
| Where the posterior margin intercepts the lateral margin on either side, a sharp, posteriorly directed epimeron is formed. |
| In at least many Chondrichthyes, the hypobranchials are well developed, although they point posteriorly. |
