Contributor:MedicalRF.com / Alamy Stock Photo
File size:48.2 MB (1.2 MB Compressed download)
Releases:Model - no | Property - noDo I need a release?
Dimensions:3300 x 5100 px | 27.9 x 43.2 cm | 11 x 17 inches | 300dpi
Date taken:June 21, 2007
Hay fever is caused by pollens of specific seasonal plants in people who are allergic to these substances A sagittal section of the head and neck showing the entry of pollen grains through the nose and into the nasal cavity and the pharynx