| spleen | A highly vascular ductless organ that is located in the left abdominal region near the stomach or intestine of most vertebrates and is concerned with final destruction of red blood cells, filtration and storage of blood, and production of lymphocytes [Brenda]. | — |
| carotid artery | A key artery located in the front of the neck that carries blood from the heart to the brain. Cholesterol plaques on the inner wall of the carotid artery can lead to stroke [Brenda]. | — |
| cerebellum | A large dorsally projecting part of the brain concerned especially with the coordination of muscles and the maintenance of bodily equilibrium, situated between the brain stem and the back of the cerebrum , and formed in humans of two lateral lobes and a median lobe [Brenda]. | — |
| natural killer cell | A large granular lymphocyte capable of killing a tumor or microbial cell without prior exposure to the target cell and without having it presented with or marked by a histocompatibility antigen [Brenda]. | — |
| pancreas | A large lobulated gland of vertebrates that secretes digestive enzymes and the hormones insulin and glucagon [Brenda]. | — |
| parahippocampal gyrus | A long convolution on the medial surface of the temporal lobe, forming the lower part of the fornicate gyrus, extending from behind the splenium corporis callosi forward along the dentate gyrus of the hippocampus from which it is demarcated by the hippocampal fissure. The anterior extreme of the gyrus curves back upon itself, forming the uncus, the major location of the olfactory cortex [Brenda]. | — |
| lymphocytes | A lymphocyte is a type of white blood cell in the vertebrate immune system [Wikipedia: http://en.wikipedia.org/wiki/Lymphocyte]. | — |
| penis | A male organ of copulation that in male mammals including humans usually functions as the channel by which urine leaves the body [Brenda]. | — |
| renal corpuscle | A mass of arterial capillaries enveloped in a capsule and attached to a tubule in the kidney [Brenda]. | — |
| mucosa | A membrane lining all body passages that communicate with the air, such as the respiratory and alimentary tracts, and having cells and associated glands that secrete mucus [Brenda]. | — |
| bladder | A membranous sac in animals that serves as the receptacle of a liquid or contains gas [Brenda]. | — |
| musculoskeletal system | A musculoskeletal system (also known as the locomotor system) is an organ system that gives animals (including humans) the ability to move using the muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body [Wikipedia: http://en.wikipedia.org/wiki/Human_musculoskeletal_system]. | — |
| 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)]. | — |
| naive T cell | A naive T cell or Th0 cell is a T cell that has differentiated in bone marrow, and successfully undergone the positive and negative processes of central selection in the thymus. A naive T cell is considered mature and unlike activated T cells or memory T cells it has not encountered its cognate antigen within the periphery [Wikipedia: http://en.wikipedia.org/wiki/Naive_T_cell]. | — |
| vermiform appendix | A narrow blind tube usually about three or four inches (7.6 to 10.2 centimeters) long that extends from the cecum in the lower right-hand part of the abdomen, has much lymphoid wall tissue, normally communicates with the cavity of the cecum, and represents an atrophied terminal part of the cecum [Brenda]. | — |
| tract | A neural pathway, neural tract, or neural face, connects one part of the nervous system with another and usually consists of bundles of elongated, myelin-insulated neurons, known collectively as white matter. Neural pathways serve to connect relatively distant areas of the brain or nervous system, compared to the local communication of grey matter [Wikipedia: http://en.wikipedia.org/wiki/Neural_pathway]. | neural pathway; neural tract; neural face |
| nucleus parasolitarius | A neuronal group ventrolateral to the nucleus solitarius has been termed the nucleus parasolitarius [Gray's Anatomy]. | — |
| phrenic nucleus | A nucleus comprised of motor neurones located in medial areas of the ventral horn of the spinal cord from about C3 to C6; axons of neurones in this nucleus innervate the diaphragm [Mondofacto: http://www.mondofacto.com/facts/dictionary?phrenic+nucleus]. | — |
| medial amygdaloid nucleus | A nucleus in the corticomedial part of the amygdaloid body [Brenda]. | — |
| cortical amygdaloid nucleus | A nucleus in the corticomedial part of the amygdaloid body [Brenda]. | nucleus amygdalae corticalis |
| central amygdaloid nucleus | A nucleus in the corticomedial part of the amygdaloid body, providing the major relay for projections from the amygdala to the brainstem and also receiving numerous return projections [Brenda]. | — |
| infundibular nucleus | A nucleus of nerve cells in the posterior hypothalamic region, extending into the median eminence and almost entirely surrounding the base of the infundibulum [Brenda]. | — |
| anterior olfactory nucleus | A portion of the forebrain of vertebrates. It is found behind the olfactory bulb and in front of the piriform cortex (laterally) and olfactory tubercle (medially) in a region often referred to as the olfactory peduncle or retrobulbar area. The peduncle contains the anterior olfactory nucleus (AON) as well as two other much smaller regions, the tenia tecta (or dorsal hippocampal rudiment) and the dorsal peduncular cortex [Brenda]. | — |
| supraoptic nucleus | A sharply defined nucleus of nerve cells in the anterior hypothalamic region, immediately above the lateral part of the optic chiasm; many of its cells are neurosecretory in function, secreting vasopressin, which is carried to the neurohypophysis (posterior pituitary) by the fibers of the supraopticohypophysial tract; other cells are osmoreceptors, which respond to increased osmotic pressure to signal the release of vasopressin by the neurohypophysis [Brenda]. | — |
| fascia | A sheet of connective tissue covering or binding together body structures as muscles [Brenda]. | — |
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