admin_head-{$hook_suffix}
Action Hook: Fires in head section for a specific admin page.
Source: wp-admin/admin-header.php:156
admin_head
Action Hook: Fires in head section for all admin pages.
Source: wp-admin/admin-header.php:163
admin_body_class
Filter Hook: Filters the CSS classes for the body tag in the admin.
Source: wp-admin/admin-header.php:238
in_admin_header
Action Hook: Fires at the beginning of the content section in an admin page.
Source: wp-admin/admin-header.php:263