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Rabbit vermiform appendix. The appendix is rather large and helps in the digestion of cellulose from bark and wood. It is also a very important immunological organ, homologue of the chicken bursa of Fabricius
Frog Epidermic Cell section under light microscope with white background
The study of tissue samples of Trachea of Cat, Epididymis, Prostate, Uterus with embryo of rat and Mammary gland cow  under the microscope in Lab.
Fundic gland polyps. Site: Stomach. A fundic gland polyp is a non-cancerous growth that develops from the cells lining the inside of the stomach. It is the most common type of polyp in the stomach.
rabbit small intestine cross section under the microscope showing longitudinal muscle, circular muscle, submucosa, mucosa, intestinal villi and lumen - optical microscope x100 magnification
A microscope slide showing a stained section of a human bowel, or small intestine.  It was taken through microscope lens that has a central focus through a thin layer of glass.
Fingernail Cross Section of Tissue .
3D illustration of human stomach structure.
Mucosa layer of the large intestine with Lieberkühn crypts, lined with numerous goblet cells of pale cytoplasm. The pink layer below is the muscularis mucosae. Human colon.
Engraving of \
Adipose tissue human, Soft palate human, Bone human and Striated (skeletal) muscle human under the microscope in Lab.
Pseudomembranous colitis. Site: Colon. Pseudomembranous colitis, also called antibiotic-associated colitis or C. difficile colitis, is inflammation of the colon associated with an overgrowth of the bacterium Clostridioides difficile (formerly Clostridium difficile)
blackbird small intestine cross section under the microscope showing longitudinal muscle, circular muscle, submucosa, mucosa, intestinal villi and lumen - optical microscope x100 magnification
Ileum sec, showing goblet cells and intestinal glands, stained by hematoxylin-eosin, 100x.
Dog tissue sample. Captured by a scientific microscope and Canon 5D Mark IV
Very low magnification light microscope micrograph of the eye of an albino rat embryo showing, from top to bottom: fused eyelids with developing hair follicles, cornea, anterior chamber, lens flanked by a short iris (retracted) and developing retina detached of eyeball wall.
a visual aid of the human kidneys.
Tissue of Small intestine (Duodenum), Large intestine Human and Stomach Human under the microscope in Lab.
Pulmonary adenocarcinoma metastatic to the heart
Fingernail Cross Section of Tissue .
19th century illustration of human abdomen. Published in Systematischer Bilder-Atlas zum Conversations-Lexikon, Ikonographische Encyklopaedie der Wissenschaften und Kuenste (Brockhaus, Leipzig, 1875)
A section through a human appendix as seen under a compound or light microscope at objective x40.
The vas deferens (ductus deferens) is a duct located in the spermatic cord, connecting epididymis with ejaculatory duct in the urethra. Cross-sectioned vas deferens showing a thick muscular layer surrounding the internal mucosal layer.
Engraving of \
Adipose tissue human, Smooth muscles human, Bone human and Striated (skeletal) muscle human under the microscope in Lab.
Embryonal rhabdomyosarcoma. Site: Uterine cervix. Rhabdomyosarcoma is the most common type of soft tissue sarcoma in children. There are four main types of rhabdomyosarcoma: Embryonal: This type occurs most often in the head and neck area or in the genital or urinary organs, but can occur anywhere in the body.
Different specimens under the microscope with natural and ultraviolet light
A microscope slide showing a stained section of a human bowel, or small intestine.  It was taken through microscope lens that has a central focus through a thin layer of glass.
Free Images: "bestof:Transverseureter.png Transverse section of ureter From Gray's Anatomy 1918 edition from en Wikipedia PD-old Ureter Histological schematic"
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