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107 Cards in this Set
- Front
- Back
Lymphocytes. Appear as naked nuclei because of limited amounts of cytoplasm
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B cell derived plasma cells with eccentrically placed nuclei with prominent cytoplasm
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Plasma cells in loose connective tissue between mucus-secreting glands
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Infant thymus. Lobulated organ surrounded by loose collagenous capsule, short interlobular septa with blood vessels. Divided into inner medulla and outer cortex
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Thymus. Epithelial framework more finely branced in cortex (reticular) than medulla. Cells have desmosomes and contain keratin in intermediate filaments. H - Hassals corpuscles: degenerating keratinized epithelial cells
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Thymic cortex: Contains immature and mature T-Cells. Macrophages phagocytose apoptotic T cells are cortico0medullary junction
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Lymph node. Contains outer capsule, macrophages, and lymphocytes
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Lymph node. Capsule, cortex, and medulla
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Capsule and Subcapsular Sinus: Capsule is pierced by afferent lymphatic vessels with valves to ensure one-way flow. Underlying subcapsular sinus S contains endothelial cells and Dendritic cells that capture Ags
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Lymph node with high endothelial venule
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Lymph node. Subcapsular and medullary sinus filled with reactive macrophages
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Lymph node: lymphocytes on top and macrophages on bottom
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Lymph node: B cells in lymphoid follicle and germinal center. Resting B cells in mantle zone (outer circle) and B cells proliferating in germinal center
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Splenic lymphoid tissue: White pulp (area containing lymphocytes suspended on reticular fibers and involved in immune function), T cell zone
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Spleen. Perilymphoid cells contains lymphocytes migrating towards white pulp
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Palatine tonsil. Leukocyte surveillance of antigens
in oral cavity, gastointestinal tract & at other mucosal surfaces. Ag enters in crypts phacocytosed by epithelial cells of crypt lining, passed to follicles. |
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Peyer’s Patch in gut with germinal center.
Contains M cells-specialized to take up antigen from lumen of gut & transport to PP |
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Trachea. Cartilage rings and epithelium
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Trachea
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Trachea. Mucosa (epithelium and lamina propria), submucosa (submucous gland - serious and mucous part), and Hyaline Cartilage
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Trachea
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Trachea - epithelium, basement membrane, lamina propria, hyaline cartilage, and adventitia
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Trachea - respiratory epithelia, ciliated pseudostratified with goblet cells
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Trachea
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Trachea - submucosal gland, mucous and serous secretory cells (secrets lysozyme)
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Bronchus - Cartilage patches (not rings), fewer seromucous glands, smooth muscle, lymphoid tissue in submucosa
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Bronchiole - no longer contains cartilage
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Bronchiole - smooth muscle and connective tissue
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Bronchiole - simple, columnar ciliated epithelium
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Respiratory portion: Terminal bronchiole, respiratory bronchiole, alveolar duct, alveolar sac, alveoli
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Alveoli - Type 1 cell for efficient gas exchange, type 2 cell secrets surfactant
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Alveoli with elastic fibers stained
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Salivary glands
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Acini enter into intercalated ducts then striated ducts
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Striated ducts empty into excretory ducts
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Parotid gland: Neonate, mid age, and elderly
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Parotid gland, Serous acinar cells and lots of adipose
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Submandibular gland with mixed mucous and serous cells and less adipose tissue
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Sublingual gland with only mucous acini
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Kidney
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Glomerular filter
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Renal corpuscle, glomerulus
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Kidney
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Proximal and Distal Convoluted Tubule
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Distal and Thin tubule
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collecting duct and distal tubule
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Distal tubule, afferent arteriole, and juxtaglomerular cells with renin granules
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Transitional epithelium
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Ovary with follicles
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Germinal epithelium (continuous with viceral peritoneum) tunica albugenia, and stroma with follicles
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Primary oocytes. ZP, granulosa, and theca cells
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Graafian follicle. Antrum, granulosa, theca, ZP
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Fallopian tube
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Corpus luteum, foamy cytoplasm contains progesterone
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Corpus albicans
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Proliferative endometrium (uterus) Stratum compactum, stratum spongiosum, stratum basalis, myometrium
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Secretory endometrium. Stratum functionalis (= compactum+ spongiosum)at the onset of menstruation spiral arterioles constrict in the absence of progesteron
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Proliferative (many mitotic nuclei) vs. secretory (basal glycogen vacuoles)
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Cervix - squamocolumnar jxn
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Testis
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Seminiferous tubules
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Spermatazoa
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GI Tract epithelium
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Layers of epithelium in GI tract
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E: epithelium
LP: lamina propria SM: Submucosa MM: muscularis mucosae |
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Submucosa: LP: Lamina propria
MM: muscularis mucosa SM: submucosa PG: parasympathetic ganglia |
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Two Layers of Muscularis Propria
C: circular muscle layer L: longitudinal muscle layer AP: Auerbach’s plexus |
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Adventitia/Serosa
S: Submucosa MM: muscularis mucosa CM: Circular muscle LM: Longitudinal muscle Sr: Serosa/Adventitia |
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Esophagus
E: stratified squamous epithelium (protective mucosa) LP: lamina propria Ly: lymphoid aggregates MM: muscularis mucosa SM: submucosa G: seromucous glands CM: circular muscle LM: longitudinal muscle |
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Gastro-esophageal junction
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Stomach
GP: gastric pits M: mucosa MM: muscularis mucosa S: submucosa O: oblique muscle layer C: circular muscle layer L: longitudinal muscle layer |
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Gastric Mucosa
F: Gastric pits C: Chief (peptic) cells MM: muscularis mucosa SM: submucosa |
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Small intestine
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Peyer's patch
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Small intestine
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Large intestine
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Illeoceacal junction
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Rectoanal junction
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Appendix
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Liver
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Hepatocytes with sinusoids and binucleated cells
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Hepatic lobule
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Hepatocytes space of Disse
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Liver cirrhosis
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Hepatic hematopoiesis
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Bile canaliculi
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Bile canaliculi merge to form canals of Hering
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Bile ducts
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Gall bladder
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Gall bladder wall
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Exocrine and endocrine pancreas
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Exocrine pancreas: acini and duct system
A glandular acini C centroacinar cells D intercalated ducts I intralobular ducts S support tissues |
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Endocrine pancreas: islets of Langerhans
Antibody to insulin identify the β cells. Insulin induces increased glycogen synthesis in liver (and muscle) Antibody to glucagon identifies the α cells. Glucagon causes the liver to release glucose - stored in the form of glycogen |
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Cervix - normal and dysplasia
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Invasive Colonic Adenocarcinoma
Invading, glands go into different wall of colon. abmoral glands in submucosa |
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Invasive Colonic Adenocarcinoma
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Carcinoma in situ vs microinvasion
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Metastatic Colonic Adenocarcinoma
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Squamous cell carcinoma
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Barret's esophagus
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Portal tract
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Pancreas
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Kidney
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Renal Corpuscle
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Tonsil
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Duodenum
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Peyers Patch
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