* aligning with embryology subset of WP
  * added new wikipedia xrefs
  * NTs: embryonic urethral groove, vaginal plate, sinovaginal bulb
     * aligning with embryology subset of WP
      * added new wikipedia xrefs
      * NTs: embryonic urethral groove, vaginal plate, sinovaginal bulb
     * Added experimental  confers_advantage_in links to ENVO
     * NT: otic notch
     * new glands from WP import
      * NT: violet, alveolar, Ciacco/wolfring, Moll, Henle, eyelid glana, supraorbitald
      * NT serous acinus
     * NT: ventrum, ventral trunka
     * NT: caudofemoralis
     * genital development
      * NTs: future glands (generic, male, female)
     * sourced additional text defs from WP; demoted some defs to external_definitions
     * NT: foramen of panizzi
     * glands/secretions:
      * NTs: anal gland secretion, cerumen gland
     * wikipedia mammals category alignment
      * NTs: hypogastrium, epipublic bone, udder, zygomatic plate,  entepicondylar foramen, ossicone, eimer organ, nasal tentacle, Grueneberg ganglion
     * Nervous system
      * added logical defs for grey and white matter terms; fixed text defss
     * olfactory system changes
      * various fixes based on discussion with MM and reading Bulter+Hodos
      * NT: telencephalic white matter
      * NT: olfactory pathway
      * changes to parthood relations for bulb, cortex, tract. some demoted to overlaps
     * overhaul of keratinized structures and oral epithelium
     * NTs: ovarian medulla, ovarian cortex (required for CL)
     * minor changes for acetabulum related terms