File:Hyaline cartilage 04.jpg

Respiratory Trachea - Layers

Mucosa - formed by epithelium and underlying lamina propria.

• respiratory epithelium - (pseudostratified columnar and ciliated) ciliated cells, goblet cells, brush cells, endocrine cells, surfactant-producing cells (Clara cells), serous cells, basal cells, basement membrane.
• lamina propria - loose connective tissue, many elastic fibres
• elastic lamina - forming the border between the mucosa and submucosa is not visible in H&E stained slides.

Submucosa - connective tissue and submucosal glands

• submucosal gland - serous (dark) and mucous (light) parts have different staining appearance.

Cartilage

• perichondrium - surface of cartilage.
• tracheal cartilage - hyaline cartilage, 16 to 20 C-shaped cartilages.
• trachealis muscle - (smooth muscle) Not visible in this section, together with connective tissue fibres, join ends of the cartilages together.

Trachea Histology Links: Overview HE | Overview VG | Detail 1 HE Detail 2 HE | Respiratory Histology | Histology Stains | Histology

Cartilage Histology: Developing | Hyaline HE | Hyaline VG | Hyaline HE | Hyaline VG | Elastic 1 | Elastic 2 | Fibrous - articular disc | Fibrous - intervertebral disc | Articular 1 | Articular 2

Links: Histology | Histology Stains | Blue Histology images copyright Lutz Slomianka 1998-2009. The literary and artistic works on the original Blue Histology website may be reproduced, adapted, published and distributed for non-commercial purposes. See also the page Histology Stains.

Cite this page: Hill, M.A. (2024, June 26) Embryology Hyaline cartilage 04.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Hyaline_cartilage_04.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G