Histo - Cells Flashcards by Mandy Houston

Lymphocytes; cellular immunity

Paracortical region of lymph nodes

T-cells

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Pancreas

produce insulin

B cells/Beta cells

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Liver; macrophages

Kuppfer cells

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Fundus of stomach
many types, but secrete anything from the stomach that is NOT pepsinogen, HCl, gastrin intrinsic factor, or acidic mucous

APUD cells

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Crypts of Lieberkuhn (SI); heavy metal absorption
Contain IgA and IgG (regulate flora)
Contain lysozyme (break down bacterial walls)

Paneth cells

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Crypts of Large Intestine; secrete mucous

Goblet cells

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In tunica media of afferent arteriole (near glomerulus - kidney)
Function is still unknown

Extraglomerular mesangial cells

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Lymphocytes; cellular immunity

destroy toxins and foreign substances

Cytotoxic C cells

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Fundus of stomach

produce pepsinogen

Chief cells

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Pancreas

produce glucagon and gastrin

A cells/Alpha Cells

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Renal corpuscle (kidney); between endothelium
Macrophages

Mesangial cells

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Pyloris of stomach; protect from autodigestion

Mucous neck cells

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Duodenum; secrete alkaline mucous

Mucous neck cells

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Crypt of Lieberkuhn (SI); held together through tight junctions and desmosomes
Material absorbed THROUGH the cells

Absorptive cells

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Fundus of stomach

secrete HCl and gastric intrinsic factor

Parietal cells

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Lymphocytes; cellular immunity

secrete lymphokine; “SOS” response to call on Killer T cells

Helper T cells

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Humoral immunity

Activate plasma cells to produce antibodies (which cause agglutination of cells and precipitation of soluble antigens)

B-cells

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Crypts of Lieberkuhn; secrete mucous

Goblet cells

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Alveoli (lung)

Secrete surfactant

Type II Pneumocytes

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Renal corpuscle (kidney); form layer around glomerulus (visceral layer)
Filtration slits between pedicels (which are secondary processes of cells)

Podocytes

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Distal convoluted tubule (kidney)
Relays info about the osmolarity of fluids in the DCT
Regulates the rate of glomerular filtration

Macula densa cells

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Inactive fibroblast

Fibrocyte

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In tunica media of afferent arteriole (near glomerulus - kidney)
Renin granules in cytoplasm
Regulate blood pressure

Juxtaglomerular cells

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Blood

Control parasites, and phagocytose antibody/antigen complexes

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Eosinophils

Urinary bladder | Osmotic barrier between urine and tissue fluid

Facet cells

Epidermis (skin) | Contain melanin; protect against UV light

Melanocytes

Blood | Phagocytes; first line of defense

Neutrophils

Stratum spinosum of epidermis (skin) Star-shaped macrophages Antigen-presenting cells Formed in bone marrow

Langerhahn cells

Epidermis (skin) Mechanoreceptors (sense pressure) Contain neurotransmitters Free nerve endings @ base; resemble epithelial cells

Merkel cells

Respiratory epithelium | Parent cells of all cells EXCEPT goblet cells

Basal cells

Respiratory epithelium Immature cells = parents of goblet cells Dendritic cells = sensory cells

Brush cells

CT | Act as phagocytes; derived from blood monocytes

Macrophages

Blood | Cause blood clotting

Platelets

Lymphocytes; cellular immunity | Shut down helper T cells

Suppressor T cells

Pancreas | Produce A and B cells

D cells/Delta cells

Crypts of Lieberkuhn, over lymphoid nodules of Peyer’s Patches Endocytose antigens and transport them to lymphocytes/macrophages Part of immune system

M cells

Blood | Humoral immunity

B-cells

Lymphocytes; cellular immunity | Memorize clones and give immunity

Memory T cells

Bronchioles Secondary source of surfactant Secretory granules; no cilia

Clara cells

Blood Contain heparin and histamine Cause contraction of smooth muscle

Basophils

Alveoli (lung) Simple squamous epithelium Gas exchange

Type I Pneumocytes

Fundus of stomach | produce acidic mucous

Mucous neck cells

CT Contain granules of heparin, histamine, and ECF-A Part of immune response

Mast cells

Alveoli (lungs) | Macrophages

Dust cells

Testis | Secrete testosterone

Leydig cells

Respiratory epithelium | Small, granular, and triangular cells

APUD cells

Taste buds; tongue | Support

Type I cells

CT | Synthesize fibers and ground substance

Fibroblasts

Blood | WBC’s; tissue macrophages

Monocytes

Taste buds; tongue | Produce Type I and Type II cells

Basal cells

Blood | Transport oxygen and carbon dioxide

Erythrocytes

Seminiferous tubules Support developing sperm cells Secrete seminal fluid, androgen binding protein, and inhibin Produce mullerian inhibitory factor

Sertoli cells

CT | Synthesize antibodies

Plasma cells

Synthesize the organic portion of bone (osteoid)

Osteoblasts

Mature bone cells

Osteocytes

Blood | Cellular immunity

T-cells

``` Taste buds; tongue Sensory cells (taste) ```

Type II cells

In Howship’s lacuna | Reabsorb bone

Osteoclasts

White blood cells | Cellular and humoral immunity

Lymphocytes

Histo - Cells Flashcards

(59 cards)