Thanks for sending the clear image! I can now answer question 51 and the questions about epithelial tissue.

Thanks for sending the clear image! I can now answer question 51 and the questions about epithelial tissue.

51. Here are the labels for the indicated parts of the skull:

1. Frontal bone
2. Zygomatic bone
3. Maxilla
4. Parietal bone
5. Temporal bone

Here are the types of epithelial tissue found in the following:

41. Lining of the anal canal: Stratified squamous epithelium (non-keratinized)
42. Inner lining of blood vessels: Simple squamous epithelium (endothelium)
43. Lining of the oesophagus: Stratified squamous epithelium (non-keratinized)
44. Inner lining of Fallopian tube: Simple ciliated columnar epithelium
45. Lining of the trachea: Pseudostratified ciliated columnar epithelium with goblet cells
46. Lining of the kidney tubule: Simple cuboidal epithelium
47. Lining of the vagina: Stratified squamous epithelium (non-keratinized)
48. The epidermis of the skin: Stratified squamous epithelium (keratinized)
49. Lining of the small intestine: Simple columnar epithelium with microvilli and goblet cells
50. The bladder: Transitional epithelium