| germinal center | The area in the center of a lymph node containing aggregations of actively proliferating lymphocytes [Brenda]. | — |
| greater omentum | The greater omentum (also the great omentum, omentum majus, gastrocolic omentum, epiploon, or, especially in animals, caul) is a large fold of visceral peritoneum that hangs down from the stomach. It extends from the greater curvature of the stomach, passing in front of the small intestines and reflects on itself to ascend to the transverse colon before reaching to the posterior abdominal wall. The common anatomical term "epiploic" derives from "epiploon" from the Greek "epipleein" meaning to float or sail on, since the greater omentum appears to float on the surface of the intestines [Wikipedia: http://en.wikipedia.org/wiki/Greater_omentum]. | — |
| gum | The gingiva (sing. and plur.: gingiva), or gums, consists of the mucosal tissue that lies over the mandible and maxilla inside the mouth [Wikipedia: http://en.wikipedia.org/wiki/Gingiva]. | gingiva |
| hair | 1: A slender threadlike outgrowth of the epidermis of an animal; especially: one of the usually pigmented filaments that form the characteristic coat of a mammal.n2: The hairy covering of an animal or a body part; especially: the coating of hairs on a human head [Brenda]. | — |
| hair follicle | The tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment [Brenda]. | — |
| hematopoietic stem cells | Hematopoietic stem cells (HSCs), also spelled hæmatopoietic stem cells, are multipotent stem cells that give rise to all the blood cell types from the myeloid (monocytes and macrophages, neutrophils, basophils, eosinophils, erythrocytes, megakaryocytes/platelets, dendritic cells), and lymphoid lineages (T-cells, B-cells, NK-cells). The definition of haematopoietic stem cells has undergone considerable revision in the last two decades. The hematopoietic tissue contains cells with long-term and short-term regeneration capacities and committed multipotent, oligopotent, and unipotent progenitors. HSCs constitute 1:10.000 of cells in myeloid tissue [Wikipedia: http://en.wikipedia.org/wiki/Hematopoietic_stem_cell]. | — |
| hypopharynx | The portion of the pharynx that lies below the upper edge of the epiglottis and opens into the larynx and esophagus [Brenda]. | — |
| islets of Langerhans | The islets of Langerhans are the regions of the pancreas that contain its endocrine (i.e., hormone-producing) cells. Discovered in 1869 by German pathological anatomist Paul Langerhans at the age of 22, the islets of Langerhans constitute approximately 1 to 2% of the mass of the pancrea [Wikipedia: http://en.wikipedia.org/wiki/Islets_of_Langerhans]. | — |
| kidney | 1: One of a pair of vertebrate organs situated in the body cavity near the spinal column that excrete waste products of metabolism, in humans are bean-shaped organs about 4 1/2 inches (11 1/2 centimeters) long lying behind the peritoneum in a mass of fatty tissue, and consist chiefly of nephrons by which urine is secreted, collected, and discharged into a main cavity whence it is conveyed by the ureter to the bladder.n2: Any of various excretory organs of invertebrate animals [Brenda]. | — |
| large intestine | The more terminal division of the vertebrate intestine that is wider and shorter than the small intestine, typically divided into cecum, colon, and rectum, and concerned especially with the resorption of water and the formation of feces [Brenda]. | — |
| lesser omentum | The lesser omentum (small omentum; gastrohepatic omentum; omentum minus) is the double layer of peritoneum that extends from the liver to the lesser curvature of the stomach and the start of the duodenum [Wikipedia: http://en.wikipedia.org/wiki/Lesser_omentum]. | — |
| ligament | In anatomy, the term ligament is used to denote any of three types of structures. Most commonly, it refers to fibrous tissue that connects bones to other bones and is also known as articular ligament, articular larua, fibrous ligament, or true ligament [Wikipedia: http://en.wikipedia.org/wiki/Ligament]. | — |
| lingual tonsil | The lingual tonsils are rounded masses of lymphatic tissue that cover the posterior region of the tongue [Wikipedia: http://en.wikipedia.org/wiki/Lingual_tonsils]. | — |
| liver | 1: A large very vascular glandular organ of vertebrates that secretes bile and causes important changes in many of the substances contained in the blood (as by converting sugars into glycogen which it stores up until required and by forming urea).n2: Any of various large compound glands associated with the digestive tract of invertebrate animals and probably concerned with the secretion of digestive enzymes [Brenda]. | — |
| male reproductive system | The internal and external reproductive organs in the male [Brenda]. | — |
| meniscus | A fibrous cartilage within a joint especially of the knee [Brenda]. | — |
| mesenchymal stem cell | A special adult stem cell, which is a multipotent stem cell, that can be found in bone marrow and can produce all cell types of bone, cartilage, fat, blood, and connective tissues [Brenda]. | — |
| myeloid progenitor cell | One of the two stem cells derived from hematopoietic stem cells, the other being the lymphoid progenitor cell. Derived from these myeloid progenitor cells are the erythroid progenitor cells and the myeloid cells [Brenda]. | — |
| myocardium | The middle and thickest layer of the heart wall, composed of cardiac muscle [Brenda]. | — |
| nail | A nail is a horn-like envelope covering the dorsal aspect of the terminal phalanges of fingers and toes in humans, most non-human primates, and a few other mammals. Nails are similar to claws, which are found on numerous other animals. Fingernails and toenails are made of a tough protein called keratin, as are animals' hooves and horns. The mammalian nail, claw, and hoof are all examples of unguis (plural ungues) [Wikipedia: http://en.wikipedia.org/wiki/Nail_(anatomy)]. | — |
| nail bed | The formative layer of cells at the base of the fingernail or toenail; the matrix. Also called keratogenous membrane, matrix unguis. It is the area of modified epithelium beneath the nail, over which the nail plate slides forward as it grows [MedicalDictionary: http://medical-dictionary.thefreedictionary.com/nail+bed]. | keratogenous membrane; matrix unguis |
| nasopharynx | The upper part of the throat behind the nose. An opening on each side of the nasopharynx leads into the ear [Brenda]. | — |
| olfactory apparatus | The entire system needed to have a sense of smell. This system involves at least 1,000 genes for the olfactory receptors. These genes are members of a large family of genes that encode signaling proteins required for the detection and discrimination of odors. Many of these olfactory genes are arranged in large clusters on chromosomes 6, 11, and 17, as well as distributed on other chromosomes. The mouse has more genes than do humans relating to reproduction, immunity and olfaction, suggesting that these physiological systems have been the focus of extensive innovation in rodents. It seems that sex, infection, and smell have been most on the mouse's evolutionary mind [MedTerms: http://www.medterms.com/script/main/art.asp?articlekey=39211]. | — |
| oropharynx | The Oropharynx (oral part of the pharynx) reaches from the Uvula to the level of the hyoid bone [Wikipedia: http://en.wikipedia.org/wiki/Oropharynx]. | — |
| palatine tonsil | Palatine tonsils are the tonsils that can be seen on the left and right sides at the back of the throat [Brenda]. | — |
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