| Type | MGI:General | Description | newborn homozygotes show numerous aborted vibrissal follicle remnants in the nasal area, observed as large follicles in various stages of degeneration embedded in reactive hyperplastic epidermis mutant vibrissal follicles are abundant but severely hypomorphic; however, vascular sinuses, inner and outer root sheaths, follicular papillae, hair bulbs, and hair shafts are observed |
