Four Primary Tissue Types
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This flashcard set covers the four primary tissue types in the human body, detailing their specific anatomical locations and organ examples.
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Cards · 20
- Simple squamous epithelium
- Air sacs of lungs (alveoli), kidney glomeruli, and lining of the heart and blood vessels (endothelium).
- Simple cuboidal epithelium
- Kidney tubules, surface of ovaries, and ducts and secretory portions of small glands like the thyroid.
- Simple columnar epithelium
- Lining of the digestive tract (stomach to anal canal), gallbladder, and excretory ducts of some glands.
- Pseudostratified columnar epithelium
- Ciliated variety lines the trachea and most upper respiratory tract; nonciliated forms line male sperm-carrying ducts.
- Stratified squamous epithelium
- Keratinized type forms epidermis of skin; nonkeratinized lines moist linings of esophagus, mouth, and vagina.
- Transitional epithelium (urothelium)
- Lines the ureters, urinary bladder, and part of the urethra.
- Areolar connective tissue
- Widely distributed under epithelia, forming the lamina propria of mucous membranes and packaging organs.
- Adipose tissue
- Under skin in hypodermis, around kidneys and eyeballs, within abdomen, and in breasts.
- Reticular connective tissue
- Lymphoid organs such as lymph nodes, bone marrow, and spleen.
- Dense regular connective tissue
- Tendons, most ligaments, and aponeuroses.
- Dense irregular connective tissue
- Reticular dermis of the skin, submucosa of the digestive tract, and fibrous capsules of organs and joints.
- Hyaline cartilage
- Forms embryonic skeleton, covers ends of long bones in joint cavities, costal cartilages of ribs, and nose, trachea, larynx.
- Elastic cartilage
- Supports the external ear (pinna) and the epiglottis.
- Fibrocartilage
- Intervertebral discs, pubic symphysis, and discs of the knee joint (menisci).
- Bone (osseous tissue)
- Skeletal bones throughout the body, including femur, ribs, and vertebrae.
- Blood
- Contained entirely within blood vessels throughout the circulatory system and heart chambers.
- Skeletal muscle
- Attached to bones or occasionally to skin, such as biceps brachii and facial muscles.
- Cardiac muscle
- Walls of the heart (myocardium).
- Smooth muscle
- Walls of hollow visceral organs, including stomach, intestines, urinary bladder, and blood vessels.
- Nervous tissue
- Brain, spinal cord, and peripheral nerves throughout the body.