Info

1 Cuneiform cartilage. Cartílago cuneiformis. Variably small cartilage beneath a small group of glands in the aryepiglottic fold. D

2 Cuneiform tubercle. Tuberculum cuneiforme. Prominence in the aryepiglottic fold caused by the cuneiform cartilage. If the cartilage is absent, it can also be produced by glands. B D

3 Epiglottis. Elastic cartilage shaped like a shoehorn. B C E

4 Stalk of epiglottis. Petiolus epiglottidis. Downward pointing end of the epiglottic cartilage that is attached to the thyroid cartilage by connective tissue. A D

5 Epiglottic tubercle. Tuberculum epiglotticum. Small prominence at the posterior surface of the mucosa above the stalk. B

6 Epiglottic cartilage. Cartilago epiglottica. Skeleton of epiglottis consisting of elastic cartilage. A C D

7 Thyroepiglottic ligament. Lig. thyroepiglotti-cum. Ligament attaching the stalk of the epiglottis to the posterior surface ofthe thyroid cartilage. A D

8 Hyoepiglottic ligament. Lig. hyoepiglotticum. Ligament between the hyoid and epiglottis. C

9 Corniculate tubercle. Tuberculum cornicu-latum. Mucosa-covered prominence over the corniculate cartilage just above the apex of the arytenoid cartilage. B D

10 Laryngeal musculature. Musculi laryngis. B C D E

11 [[M. aryepiglotticus]]. Now the aryepiglottic part of the arytenoid muscle. See p. 21 a. B D

12 M. cricothyroideus. o: Anterolateral aspect of cricoid cartilage. i: Interiorly at outer and inner surfaces of the thyroid cartilage lamina. A: Tenses vocal ligament by lifting the cricoid cartilage forward and tilting back the lamina and the arytenoid cartilage. I: Superior laryngeal nerve (different innervation than other intrinsic laryngeal muscles). C E

13 Straight part. Pars recta. Anterior, somewhat more steeply coursing fibers. C

14 Oblique part. Pars obliqua. Posterior, more horizontally coursing fibers. C

15 Posterior cricoarytenoid muscle. M. cri-coarytenoideus posterior. o: Posterior surface of cricoid cartilage. i: Muscular process of arytenoid cartilage. A: By swinging the vocal process upward and outward, it opens the rima glottidis. It is the only abductor of the vocal folds. I: Recurrent laryngeal nerve. B D

16 Ceratocricoid muscle. [M. ceratocricoideus]. Anatomic variant. o: Inferior horn of thyroid cartilage. i: Inferior margin of cricoid cartilage. I: Recurrent laryngeal nerve. B

17 Lateral cricoarytenoid muscle. M. cricoaryte-noideus lateralis. o: Upper lateral margin of cri-coid cartilage. i: Anteriorly at muscular process of arytenoid cartilage and adjacent area. A: Synergist in closing of rima glottidis. I: Recurrent laryngeal nerve. D

Feneis, Pocket Atlas of Human Anatomy © 2000 Thieme

18 M. vocalis. o: Inner surface of thyroid cartilage near the midline. i: Vocal process and oblong fovea of arytenoid cartilage. A: By its tension it alters the intrinsic vibrations of the vocal cord. I: Recurrent laryngeal nerve. E Thyroepiglottic muscle. [[ M. thyroepiglotti-cus]]. Now the thyroepiglottic part of the thyroarytenoid muscle. See p. 20 D Thyroarytenoid muscle. M. thyroarytenoideus. o: Anterior inner surface of thyroid cartilage. i: Muscular process and lateral surface of aryte-noid cartilage. A: Synergist in closure of rima glottidis. I: Recurrent laryngeal nerve. D E 20a Thyroepiglottic part. Pars thyroepiglottica. o: Anterior, inner surface of thyroid cartilage. i: Epiglottis and quadrangular membrane. I: Recurrent laryngeal nerve. D See p. 19. 21 Oblique arytenoid muscle. M. arytenoideus obliquus. o: Posterior surface of muscular process. i: Apex of contralateral arytenoid cartilage. A: Draws the arytenoid cartilages closer together. Synergist in closure of rima glottidis. I. Recurrent laryngeal nerve. B 21 a Aryepiglottic part. Pars aryepiglottica. o: Apex of arytenoid cartilage. i: Margin of epiglottis. Foundation of aryepiglottic fold. A: Depresses the epiglottis. See 11. Transverse arytenoid muscle. M. arytenoideus transversus. o: Posterior surface of arytenoid cartilage. i: Same surface of contralateral aryte-noid cartilage. A: Approximates arytenoid cartilages. Synergist in closure of rima glottidis. I: Recurrent laryngeal nerve. B Laryngeal cavity. Cavitas laryngis. E Laryngeal inlet (aditus). Aditus laryngis. Entrance into larynx between the epiglottis, ary-epiglottic folds and interarytenoid notch. B E Aryepiglottic fold. Plica aryepiglottica. Mu-cosal fold over the aryepiglottic muscle. It extends from the apex of the arytenoid cartilage to the lateral margin of the epiglottis. B D Interarytenold notch. Incisura interaryte-noidea. Mucosa-covered slit between the two apices of the arytenoids. B Vestibule of larynx. Vestibulum laryngis. Upper part of laryngeal cavity extending as far as the vestibular [ventricular] folds. E Rima vestibuli. Interval between the two vestibular folds. E

Vestibular (ventricular) fold. Plica vestibularis [ventricularis]. Fold produced by the vestibular ligament. It lies between the laryngeal ventricle and vestibule. E 29 a Intermediate laryngeal cavity. Cavitas laryngis intermedia. Space between the vestibular and vocal folds.

Was this article helpful?

0 0
Guaranteed – Six Pack Abs in Six Weeks

Guaranteed – Six Pack Abs in Six Weeks

Before we start working on how to get six pack abs in six weeks, there should be clarity in our mind about the need for six abs. Ones' personality is the key to his interaction with others. How we look, increases our confidence and boost up our self esteem. It's just not a person’s own confidence that goes up, but the other people around him also have more confidence in a fit and a healthy person.

Get My Free Ebook


Post a comment