EDIT

  $items['cdm_dataportal/specimen'] = array(

      'page callback' => 'cdm_dataportal_specimen_page_view',

      'access arguments' => array('access cdm content'),

      'type' => MENU_CALLBACK,

      // Expected callback arguments: uuid.

  );

  $items['cdm_dataportal/named_area'] = array(

    'page callback' => 'cdm_dataportal_named_area_page_view',

    'access arguments' => array('access cdm content'),

    'type' => MENU_CALLBACK,

    // Expected callback arguments: uuid.

  );

/**

 *

 * Creates a named area view.

 * @param string $uuid the UUID of the specimen

 *  * @return object

 *   An object with two fields:

 *     - title: the page title

 *     - content: the page content

 */

function cdm_dataportal_named_area_view($uuid) {

  $named_area = cdm_ws_get(CDM_WS_PORTAL_TERM, $uuid);

  if (empty($named_area) || $named_area->class !== 'NamedArea') {

    drupal_set_title(t('Named area does not exist'), PASS_THROUGH);

    return FALSE;

  }

  $named_area_page = new stdClass();

  $named_area_page->title = $named_area->representation_L10n;

  // Render the specimen page.

  $render_array = compose_cdm_named_area_page($uuid);

  $named_area_page->content = drupal_render($render_array);

  return $named_area_page;

}

function cdm_dataportal_named_area_page_view($uuid) {

  cdm_check_valid_portal_page();

  $named_area_page = cdm_dataportal_named_area_view($uuid);

  if (!empty($named_area_page)) {

    return cdm_node_show(NODETYPE_NAME, $uuid, $named_area_page->title, $named_area_page->content);

  }

  else {

    return '';

  }

}

function path_to_named_area($uuid) {

  if (!$uuid) {

    return FALSE;

  }

  else {

    return 'cdm_dataportal/named_area/' . $uuid;

  }

}