20 slides

1 - Frog, lung t.s., simple sac-like respiratory organ
2 - Frog, heart l.s. through the entire organ
3 - Frog, blood smear, shows nucleated red corpuscles
4 - Frog, spleen t.s., lymphatic tissue
5 - Frog, tongue t.s., papillae, glands, muscles
6 - Frog, oesophagus t.s., shows ciliated epithelium
7 - Frog, stomach t.s., glandular epithelium
8 - Frog, small intestine t.s., folds of intestinal membrane, chyle
9 - Frog, large intestine (colon) t.s., goblet cells
10 - Frog, pancreas t.s., showing islets of Langerhans
11 - Frog, liver t.s., showing liver parenchyma cells and bile ducts
12 - Frog, kidney t.s., Malpighian corpuscles, renal vessels
13 - Frog, urinary bladder t.s., smooth muscles, transitional epithelium
14 - Frog, ovary t.s. shows follicle development, formation of yolk
15 - Frog, testis t.s. showing spermatogenesis and mature spermatozoa
16 - Frog, fallopian tube (Müllerian duct) t.s., glandular cells
17 - Frog, interior brain t.s. showing nerve cells
18 - Frog, spinal cord t.s., showing motor nerve cells
19 - Frog, retina t.s., with rods and cones
20 - Frog, skin t.s., skin glands, epidermis, pigment cells