J, K, L, M & N

J	M
Janeway lesion	Macular Degeneration
Jaw	Maculopapular Rash
Jock Itch	Mad Cow
Joints	Male Breast Cancer
Junctional epidermolysis bullosa	Mandible
Juvenile rheumatoid arthritis	Map-Dot-Fingerprint Dystrophy
Juvenile Xanthogranuloma	Marasmus
	Measles
K	Melanoma Skin Cancer
	Mesothelioma
Kaposi's sarcoma	Milia
Kawasaki Disease	Mitochondrion
Kayser-Fleischer ring	Mitosis
keratin cyst	Mole Skin Cancer
Keratoconjunctivitis sicca	Molluscum Contagiosum
Keratoconus	Mononucleosis
Keratoderma blennorrhagica	Morton's Neuroma
Keratomalacia	Mouth Cancer
Keratoacanthoma	Mouth Cancer Tabacco
Kerion	Mouth Thrush
Kidney cancer	Mouth Wart
Kidney Cyst	MRI Machine
Kidney Disease	Mucoepidermoid Carcinoma
Klippel-Feil syndrome	Mumps
Koilonychia	Multiple Myeloma
Krabbe	Muscle cell
	Mycosis Fungoides
L
	N
Labyrinthitis
Labia cyst	Nasal Polyp
Lamictal Rash	Neck cyst
Lattice Dystrophy	Necrotizing Sialometaplasia
Lazy Eye	Neisseria
Legg-Perthes	Neisseria Gonorrhea
Legionnaires	Nerve
Lentigo maligna	Nerve Cell
Lentigo simplex	Neuroblastoma
Lepromatous leprosy	Neurofibromatosis
Leprosy	Neuron
Leukemia	Nodular Acne
Leukemia cell	Non Hodgkin's
Leukemia cutis	Noonan Syndrome
Leukemoid reaction
Leydig cell
Lichen nitidus
Lichen Planus
Lichen sclerosus
Lichenification
Ligamenta flava
Lymphoepithelial Cyst
Lingual tonsil
Linitis plastica
Lip Cancer
Lip and Mouth cancer
Lip Wart
Lipoatrophy
Liposarcoma
Livedo reticularis
Liver
Liver Disease
Liver Spots
Lymphatic Filariasis
Lou Gehrig's Disease
Lung Cancer
Lunger Cancer Xray
Lupus
Lupus Rash
Lyme Disease
Lymphangitis
Lymphoma