Histology Glossary - U

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A personal message from Dr Mark Hill (May 2020)  
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I have decided to take early retirement in September 2020. During the many years online I have received wonderful feedback from many readers, researchers and students interested in human embryology. I especially thank my research collaborators and contributors to the site. The good news is Embryology will remain online and I will continue my association with UNSW Australia. I look forward to updating and including the many exciting new discoveries in Embryology!

A Glossary of Histological and Micro-Anatomical Terms

 Histology Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Including historical origins and eponyms compiled by Dr Brian Freeman, Department of Anatomy, School of Medical Sciences, revised 2000.
ANAT2241 Support | Histology | Histology Stains | Historic Terminology | Embryology Glossary


Abbreviations: ( ) plural form in brackets, A. Arabic, abb. abbreviation, c. circa =about, F. French adj. adjective, G. Greek, Ge. German, cf. compare, L. Latin, dim. diminutive, NA. Nomina anatomica, q.v. which see, OF. Old French



ultrastructure the structure of the smallest elements, components of a cell or tissue as seen with the electron microscope.


ultratome special microtome for cutting ultrathin sections for electron microscopy.


umbilicus L. = navel, from G. omphalos .


uncus L. = a hook; uncinate process = hook-like part of pancreas.


ungual adj. L. unguis = a claw, talon, finger-nail.


ureter G. ouron = urine + tereo = I preserve; a tube carrying urine from kidney to bladder (Galen, c. 180 AD).


urethra G. ourethra = tube from bladder to exterior (Hippocrates).


urine G. ouron = urine.


uterus L. = womb (especially in pregnancy), from L. uter = a large goatskin bag used as a wine-skin.


utricle L. utriculus = a little womb, dim. L. uterus ; 1. larger of two sacs in membranous labyrinth of inner ear; 2. utriculus prostaticus = sac in prostate.


uvea L. uva = grape; the middle vascular coat of the eye (when peeled out of the eye, the uvea resembles the empty shell of a peeled concord grape), includes choroidea, ciliary body and iris.


uvula L. = a little grape; pendulous posterior end of soft palate used to produce gutteral consonants (1695).





Histology Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ANAT2241 Support | Histology | Histology Stains | Embryology Glossary

Cite this page: Hill, M.A. (2020, May 31) Embryology Histology Glossary - U. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Histology_Glossary_-_U

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© Dr Mark Hill 2020, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G