File:Anson1948 fig03.jpg: Difference between revisions

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Fig. 3. Drawings of the stapes and the adjacent ﬁssular region of the otic capsule

Drawings (semi-diagrammatic) from Edinger tracings of the stapes and the adjacent ﬁssular region of the otic capsule, showing developmental changes in the ossicle and in the ﬁssular part of the capsule; X 6.6. Further developmental steps are recorded in the succeeding ﬁve plates of ﬁgures. In this, and in the five following plates, regular stippling represents unaltered cartilage; less dense stippling stands for rareﬁed cartilage; the areas treated in black represent bone. Parts a to c are from a 167 mm. (20 weeks) fetus (Wisconsin series 105) ; (a) slide 23, section 8; (b) slide 21, section 9; (C) slide 19, section 9). Part d is from a 163 mm. (19 week) fetus (Wisconsin series 33; slide 17, section 8). Here, a is taken at the tympanic (cranial. or superior) oriﬁce of the ﬁssula ante fenestram; b, at the fenestral (intermediate) oriﬁce; c, at the vestibular (caudal, or inferior) oriﬁce and throiﬁgh the anterior crus of the stapes, and d, through the body, or midportion, of the fissula.

Abbreviations in this and in succeeding plates are interpreted as follows: Am‘. or Ant. ems, anterior crus; Cartif, cartilage; fen. orif., fenestral oriﬁce (of ﬁssula ante fenestram); Post. or Post. crus, posterior crus; Tymp. Ca?,’., or Tjmzp. cavity, tympanic cavity (middle ear); tymp. 0rif., tympanic oriﬁce (of ﬁssula); V est, vestibule; vest. oriﬁ, vestibular oriﬁce (of ﬁssula); V. w., vestibular (oval) window.

Reference

Anson BJ. and Cauldwell EW. Stapes, fissula ante fenestram and associated structures in man: V . From the fetus of 160 mm to term. (1948) 48(3): 263-300.

Cite this page: Hill, M.A. (2024, June 25) Embryology Anson1948 fig03.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Anson1948_fig03.jpg

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Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan

	Gwalagizhi	Nyangagi	Dimensions	User	Comment
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	09:03, 15 October 2017		1,481 × 2,279 (546 KB)	Z8600021 (talk \| contribs)	===Reference=== {{Ref-Anson1948}} {{Footer}} Category:Middle Ear Category:Historic Embryology Category:1940's

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+==Fig. 3.  Drawings of the stapes and the adjacent ﬁssular region of the otic capsule==
+Drawings (semi-diagrammatic) from Edinger tracings of the stapes and the adjacent ﬁssular region of the otic capsule, showing developmental changes in the ossicle and in the ﬁssular part of the capsule; X 6.6. Further developmental steps are recorded in the succeeding ﬁve plates of ﬁgures. In this, and in the five following plates, regular stippling represents unaltered cartilage; less dense stippling stands for rareﬁed cartilage; the areas treated in black represent bone. Parts a to c are from a 167 mm. (20 weeks) fetus (Wisconsin series 105) ; (a) slide 23, section 8; (b) slide 21, section 9; (C) slide 19, section 9). Part d is from a 163 mm. (19 week) fetus (Wisconsin series 33; slide 17, section 8). Here, a is taken at the tympanic (cranial. or superior) oriﬁce of the ﬁssula ante fenestram; b, at the fenestral (intermediate) oriﬁce; c, at the vestibular (caudal, or inferior) oriﬁce and throiﬁgh the anterior crus of the stapes, and d, through the body, or midportion, of the fissula.
+Abbreviations in this and in succeeding plates are interpreted as follows: Am‘. or Ant. ems, anterior crus; Cartif, cartilage; fen. orif., fenestral oriﬁce (of ﬁssula ante fenestram); Post. or Post. crus, posterior crus; Tymp. Ca?,’., or Tjmzp. cavity, tympanic cavity (middle ear); tymp. 0rif., tympanic oriﬁce (of ﬁssula); V est, vestibule; vest. oriﬁ, vestibular oriﬁce (of ﬁssula); V. w., vestibular (oval) window.
 ===Reference===
 {{Ref-Anson1948}}