Histology Glossary - I

From Embryology
Embryology - 27 Feb 2017    Facebook link Pinterest link Twitter link  Expand to Translate  
Google Translate - select your language from the list shown below (this will open a new external page)

العربية | català | 中文 | 中國傳統的 | français | Deutsche | עִברִית | हिंदी | bahasa Indonesia | italiano | 日本語 | 한국어 | မြန်မာ | Pilipino | Polskie | português | ਪੰਜਾਬੀ ਦੇ | Română | русский | Español | Swahili | Svensk | ไทย | Türkçe | اردو | ייִדיש | Tiếng Việt    These external translations are automated and may not be accurate. (More? About Translations)

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



I - band abb. of isotropic band G. isos = equal + tropos = a turning, direction; equal properties in every direction; of transverse bands in skeletal muscle which do not rotate the plane of polarised light, cf. A-band.


-iculus L. = a diminutive suffix.


ileum G. eilein = to twist; distal part of small intestine (1618).


ilium L. = the flank.


immunoglobulin L. immunis = free from service, exempt + globulus = a little sphere; one of a class of proteins consisting of two polypeptide chains and functioning as an antibody.


incisor adj. L. incidere = to cut into, to notch; of the four front upper and lower teeth.


incus L. = an anvil; middle ossicle of middle ear (Vesalius, c. 1550).


infundibulum L. = a funnel, from L. infundere = to pour into; funnel-shaped part of an organ.


inspissated L. inspissatus = thickened; concentrated by absorption.


insulin L. insula = island; hormone secreted by beta cells in the pancreatic islets of Langerhans.


integument L. in = on + tegere = to roof, to cover (L. tegmen = a roof) ; a covering, hence the skin, consisting of epidermis, dermis and hypodermis.


intercalated L. inter = between + calare = to proclaim, calatus = inserted; of a duct inserted between the end of the gland (acinus, or alveolus) and a larger duct; of a disc inserted between the ends of two cardiac fibres.


interneurone abb. of internuncial neuron, q.v.


internode L. " + nodus = knot; a segment of myelinated nerve fibre between adjacent nodes of Ranvier, q.v.


internuncial neuron L. " + nuncius = a messenger; a nerve cell relaying an impulse from one cell to the next; an interneurone.


interstice (-es) L. " + sistere = to set; a space or gap in a tissue or in an organ.


interstitial adj. L. " ; located inbetween, e.g., cells of Leydig.


interstitium L. " ; the interstices, q.v.


intestine contraction of L. quod intus est = that which is inside; L. intestina = the guts, entrails (Celsus, c. 10 AD).


intima L. = innermost; cf. tunica intima.


intrafusal L. intra = with + fusus = spindle; of the fibres in a muscle spindle = neuromuscular spindles.


intramural L. intra = within + murus = wall; within the wall of an organ.


intussusception L. intus = within + suscipere = to receive; an invagination; the slipping ("telescoping") of one part of the intestine into a lower part.


invagination L. invaginare = to ensheath; process of pushing inwards and thereby creating a sheath.


involution L. in = into + volvere = to roll; retrogressive change with size decrease.


iris L. = a rainbow; the coloured membrane around the pupil in anterior segment of eye; a diaphragm in a microscope that can open or close a central pupil-like aperture.


isotropic G. iso = same + tropos = a turning; having the same properties in all directions.


isthmus G isthmos = a narrow passage, a land-bridge; a connecting band.


iter L. = a journey, a passage-way; a way between two anatomical structures, e.g., iter of Sylvius = midbrain aqueduct; iter chordae tympani (anterior, posterior).






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 - I. Retrieved February 27, 2017, from https://embryology.med.unsw.edu.au/embryology/index.php/Histology_Glossary_-_I

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