Histology Glossary - U

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A Glossary of Histological and Micro-Anatomical Terms

Including historical origins and eponyms compiled by Dr Brian Freeman, Department of Anatomy, School of Medical Sciences, revised 2000.

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


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. 2017 Embryology Histology Glossary - U. Retrieved May 1, 2017, from https://embryology.med.unsw.edu.au/embryology/index.php/Histology_Glossary_-_U

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© Dr Mark Hill 2017, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G