Organ Histology

Pancreas (Slide 39)

Ovary (Slide 41)

Large Intestines (Slide 37)

Esophagus (Slide 31)

Kidney (Slide 32)

Trachea (Slide 31)

Urinary Bladder (Slide 27)

Small Intestines (Duodenum) (Slide 36)

Testis (Slide 40)

Liver (Slide 38)

Ureter (Slide 30)

Stomach (Slide 35)

Lung (Slide 34)

Alveoli - tiny air sacs of the lungs

  • Mucosa: mucous membrane
    Pseudostratifed Ciliated Columnar Epithelium: tissue type
    Lamina Propria: thin layer of loose areolar connective tissue
  • Submusoca: layer of areolar CT lying beneath mucous membrane
  • Hyaline Cartilage
  • Trachealis Muscle: constrict the trachea allowing air to be expelled with more force during coughing
  • Mucosa: mucous membrane
    Stratified Squamous Epithelium: tissue type
    Lamina Propria: thin layer of loose areolar connective tissue
    Muscularis mucosa: thin layer of muscle, located outside the lamina propria
    Muscularis externa: region of muscle next to the submucosa
    Adventitia: outermost layer of the wall of a blood vessel
  • Muscosa: mucous membrane
    Simple Columnar Epithelium: tissue type
     - Gastric Glands: simple almost straight tube, two or more that open into a single duct
 - Gastic Pits: indentations in the stomach
    Lamina propria: thin layer of loose areolar connective tissue
    Muscularis mucosa: thin layer of muscle, located outside the lamina propria
  • Submucosa: layer of areolar CT lying beneath mucous membrane
  • Muscularis externa: region of muscle next to the submucosa
  • Serosa: serous membrane
  • Villi: small slender vascular projections that increase the surface area of a membrane
  • Mucosa: mucous membrane
    Simple Columnar Epithelium (tissue type)
    Brush Border: microvilli-covered surface of simple cuboidal epithelium and simple columnar epithelium cells
    Intestinal crypts: gland found in intestinal epithelium lining
    Lamina propria: thin layer of loose areolar CT
    Muscularis mucosa: thin layer of muscle, located outside the lamina propria
  • Submucosa: layer of areolar CT lying beneath mucous membrane
    Duodenal glands: compound tubular submucosal glands found in the portion of the duodenum
  • Muscularis externa: region of muscle next to the submucosa
    Inner circular smooth muscle: 1st layer
    Outer longitudinal smooth muscle: 2nd layer
  • Serosa: serous membrane
  • Mucosa: mucous membrane
    Simple Columnar Epithelium: tissue type
    Lamina Propria: thin layer of loose areolar connective tissue
    Muscularis Mucosa: thin layer of muscle, located outside the lamina propria
  • Submucosa: layer of areolar CT lying beneath mucous membrane
    Lymphatic Nodules: small, localized collection of lymphoid tissue
  • Muscularis externa: region of muscle next to the submucosa
    Inner circular smooth muscle
    Outer longitudinal smooth muscle
  • Serosa: serous membrane
  • Mucosa: mucous membrane
    Transitional Epithelium: tissue type
    Lamina Propria: thin layer of loose areolar connective tissue
  • Musularis: thin layer of muscle, separates lamina propria and submucosa
  • Adventitia: outermost layer of the wall of a blood vessel
  • Mucosa: mucous membrane
    Transitional Epithelium: tissue type
    Lamina Propria: thin layer of loose areolar connective tissue
  • Muscularis: thin layer of muscle, separates lamina propria and submucosa
  • Adventitia: outermost layer of the wall of a blood vessel
  • Lobules: small lobe
  • Hepatocytes: liver cell
  • Stellate Macrophages: lining the walls of the sinusoids
  • Sinusoids: small irregularly shaped blood vessel found in certain organs
  • Central Vein: center of hepatic lobules
  • Portal triad: distinctive arrangement
    Hepatic artery: supplies oxygenated blood to the liver, pylorus of stomach, duodenum and pancreas
    Hepatic portal vein: carries blood from the gastrointestinal tract, gallbaldder, onacreas and spleen to the liver
    Bile duct: carry bile from the liver and gallbladder
  • Pancreatic Islets: contains endocrine cells
  • Pancreatic Acini: synthesizes, stores, and secretes digestive enzymes t
    o the common bile duct
  • Pancreatic Ducts: joins the pancreas
  • Medulla: inner region of the kidney
    Kidney tubles: nephron containing the tubular fluid filtered through the glomerulus
    Lumen: inside space of a tubular structure
    Simple cuboidal epithelium: tissue
  • Cortex: outer region of the kidney
    Renal corpuscle:
    Glomerulus: small tuft of cappilaries containing two cell types
    Capsular space: between space
    Glomerular capsule: cup-like sac
    Simple squamous epithelium: tissue type
  • Seminiferous tubules: site of germination, maturation and transportation of the sperm cells
  • Spermatozoa: sperm cell
  • Interstitial cells: next to the seminiferous tubules
  • Primordial follicles - most immature stage of an oocyte
  • Primary follicle: immature follicle consisting of an oocyte, surrounded by a single layer of granulosa cells
  • Secondary follicle: maturing follicle sonsisting of an oocyte surrounded by two or more layers of granulosa cells
  • Mature follicle: ready to ovulate follicle
    Oocyte: egg cell
    Zona pellucida: thick transparent membrane
    Corona radiata: innermost layer of the cells
    Antrum: space filled with follicular fluid
    Granulosa cells: form a multilayered to surround the oocyte