Normal |
|
|
Left or right unilateral anterior accessory belly (origin: digastric fossa, insertion: ipsilateral intermediate tendon) |
|
Yamada [5], Mori [8], Larsson and Lufkin [2], Quadros et al. [38] |
Left or right unilateral anterior accessory belly (origin: digastric fossa, insertion: contralateral intermediate tendon) |
|
Yamada [5], Mori [8], Larsson and Lufkin [2], Sakamoto and Akita [52], Liquidato et al. [43] |
Left or right unilateral anterior accessory belly (origin: mylohyoid raphe, insertion: ipsilateral intermediate tendon) |
|
Yamada [5], Liquidato et al. [43] |
Left or right unilateral anterior accessory belly (origin: digastric fossa, insertion: middle part of the hyoid bone) |
|
Sargon and Celik [19], Andreo et al. [50], Sargon et al. [22], Guelfguat et al. [24] |
Two left or right unilateral anterior accessory bellies (origin: digastric fossa, insertion: first accessory belly-contralateral intermediate tendon, second accessory belly-ipsilateral intermediate tendon) |
|
Holibková and Machálek [21] |
Bilateral anterior accessory bellies (origin: digastric fossa, insertion: ipsilateral intermediate tendons) |
|
Yamada [5], Mori [8], Holibková and Machálek [21], Sargon et al. [22], Mascaro et al. [51], Sakamoto and Akita [52], Bakirci et al. [32] |
Bilateral anterior accessory bellies (origin: digastric fossa, insertion: contralateral intermediate tendons, “cross type”) |
|
Yamada [5], Mori [8], Komatsu et al. [47], Andreo et al. [50], Sarikcioglu et al. [20], Sargon et al. [22], Aktekin et al. [27], Sakamoto and Akita [52], Liquidato et al. [43], Kim et al. [12] |
Bilateral anterior accessory bellies (origin: digastric fossa, insertion: mylohyoid raphe) |
|
Loukas et al. [30], Liquidato et al. [43], Kyung et al. [36] |
Bilateral anterior accessory bellies (origin: mylohyoid raphe, insertion: ipsilateral intermediate tendons) |
|
Yamada [5], Mori [8], Komatsu et al. [47], Sato et al. [48], Peker et al. [23], Yüksel and Yüksel [25], Sakamoto and Akita [52], Reyes et al. [34] |
Multiple bilateral anterior accessory bellies (two or more number of accessory bellies on each side, origin: digastric fossa, insertion: ipsilateral intermediate tendons or hyoid bone) |
|
Sakamoto and Akita [52] |
Bilateral anterior accessory bellies (origin: one side-mylohyoid raphe, the other side-digastric fossa, insertion: ipsilateral intermediate tendons) |
|
Turan-Ozdemir et al. [29] |