Skip to main content

Table 1 Regional distribution of sweat glands and arteriovenous anastomoses in pinnipeds

From: Skin histology and its role in heat dissipation in three pinniped species

Skin region Pacific harbor seal Northern elephant seal California sea lion
Sweat glands AVA Sweat glands AVA Sweat glands AVA
1. Head dorsal +, not prominent + +, not prominent - +, not prominent +
2. Head lateral - + - + + +
3. Cervical dorsal +, not prominent - - + + +
4. Cervical lateral +, not prominent - - - +, prominent +
5. Flipper fore +, not prominent + +, not prominent - +, prominent +
6. Flipper hind +, not prominent + +, not prominent + +, prominent +
7. Thoracic dorsal - - - - + -
8. Thoracic lateral - - - + + +
9. Thoracic ventral +, not prominent - - - + +
10. Abdomen dorsal +, not prominent - - - + +
11. Abdomen lateral - - - - + +
12. Abdomen ventral - + - - + +
13. Tail +, not prominent + - - +, prominent +
14. Gluteal dorsal - - - - + -
  1. Sign ( + ) indicates presence. Sign () indicates absence. Sign (+), prominent) indicates a major presence, sign (+), not prominent) indicates scarce presence.