Laboratory of Histology and Embryology 
Research focusing on histology, cell biology, microscopy, neurobiology, and stereology. From the University of Oporto, Portugal.
http://erocha.freehosting.net/labhistology.htm#BarraUniversity of Delaware Mammalian Histology
Course syllabus and class resources, including microscopic images, ultrastructural images, 3-D models, and labelled diagrams.
http://www.udel.edu/Biology/Wags/histopage/histopage.htm
National Society for Histotechnology
Incorporated in 1974 for the purpose of advancing professional growth, standards, knowledge and performance of histotechnology through continuing and formal education programs.
http://www.nsh.org/
LUMEN Histology
Lesson plans with slides and practicals for the Loyola University Medical Education Network histology course.
http://www.meddean.luc.edu/lumen/MedEd/Histo/frames/histo_frames.html
JayDoc HistoWeb
A comprehensive histology atlas from the Kansas University Medical Center.
http://www.kumc.edu/instruction/medicine/anatomy/histoweb/index.htm
UC-Davis Human Microscopic Anatomy
Thorough atlas with hyperlinked notes and slides, as well as good organ reviews by slides, study set of slides, and sample quizzes.
http://medocs.ucdavis.edu/CHA/402/course.htm
Histology on the WWW
Contains links to sites with images, protocols and techniques, and general histology resources.
http://swehsc.pharmacy.arizona.edu/exppath/micro/histology.html
Martindale's Health Science Guide: Anatomy & Histology Center
Histology section includes exams, courses, techniques and procedures, and tissue preservation resources.
http://www.martindalecenter.com/MedicalAnatomy.html
Vanderbilt University Medical School Cell and Tissue Biology
Lesson plans for blood, epithelium, nervous tissues, salivary glands, and exocrine pancreas tissues.
http://www.mc.vanderbilt.edu/histology/
Histology - Biol 305
Includes class notes, course objectives and old exams. Also, has related resource links. Written by Craig S. Hood from Loyola University in Louisiana, USA.
http://www.loyno.edu/~chood/biol_305.html
Histology World
Links, books, mnemonics and information about histology for undergraduate and graduate anatomy, medical, dental, and other health professional students. Includes reviews and recommendations.
http://www.histology-world.com/
