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  Section: Biotechnology Methods » Cell Biology and Genetics
 
 
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Mounting of the Mouth Parts of the Mosquito

 
     
 
Content
Cell Biology and Genetics
  Cell Cycles
  Meiosis in Flower Buds of Allium Cepa-Acetocarmine Stain
  Meiosis in Grasshopper Testis (Poecilocerus Pictus)
  Mitosis in Onion Root Tip (Allium Cepa)
  Differential Staining of Blood
  Buccal Epithelial Smear and Barr Body
  Vital Staining of DNA and RNA in Paramecium
  Induction of Polyploidy
  Mounting of Genitalia in Drosophila Melanogaster
  Mounting of Genitalia in the Silk Moth Bombyx Mori
  Mounting of the Sex Comb in Drosophila Melanogaster
  Mounting of the Mouth Parts of the Mosquito
  Normal Human Karyotyping
  Karyotyping
  Black and White Film Development and Printing for Karyotype Analysis
  Study of Drumsticks in the Neutrophils of Females
  Study of the Malaria Parasite
  Vital Staining of DNA and RNA in Paramecium
  Sex-Linked Inheritance in Drosophila Melanogaster
  Preparation of Somatic Chromosomes from Rat Bone Marrow
  Chromosomal Aberrations
  Study of Phenocopy
  Study of Mendelian Traits
  Estimation of Number of Erythrocytes [RBC] in Human Blood
  Estimation of Number of Leucocytes (WBC) in Human Blood
  Culturing Techniques and Handling of Flies
  Life Cycle of the Mosquito (Culex Pipiens)
  Life Cycle of the Silkworm (Bombyx Mori)
  Vital Staining of Earthworm Ovary
  Culturing and Observation of Paramecium
  Culturing and Staining of E.coli (Gram’s Staining)
  Breeding Experiments in Drosophila Melanogaster
  Preparation of Salivary Gland Chromosomes
  Observation of Mutants in Drosophila Melanogaster
  ABO Blood Grouping and Rh Factor in Humans
  Determination of Blood Group and Rh Factor
  Demonstration of the Law of Independent Assortment
  Demonstration of Law of Segregation

Mouthparts are long piercing and sucking tubular proboscis.

Labrum
The labrum forms the proboscis sheath. It is like a long gutter or a half tube, ending in a pair of white, pointed lobes, the labellae, which bears tactile hair. The labrum bears a dorsal groove, which lodges all the other mouthparts modified into 6 needle-shaped piercing stylets, all finer than hair, meant for puncturing the skin of the host.

Labium-Epipharynx
The epipharynx, which is an outgrowth from the roof of the mouth, becomes completely fused with the labrum to form the labrum-epipharynx. This compound structure makes a long, pointed, and stiff rod, which closes above the dorsal groove of the labium.

Hypopharynx
The ventral surface of the labrum-epipharynx also bears a groove, which is closed below by a long, pointed and flattened plate, like a double-edged sword, called the hypopharynx. It is traversed by a minute median channel, the salivary duct.

Mandibles and Maxillae
The paired mandibles and the first maxillae form long and needle-shaped stylets, the former ending in tiny blades and the latter in saw-like blades. A pair of long tactile maxillary pulps projects from the sides at the base of the proboscis. Only the females can suck the blood, as they possess well-developed, piercing mouthparts. In the males, the piercing organs are reduced, and the mandibles are absent, but the sucking mouthparts are well-developed so that they can suck up only plant juices.

 
     
 
 
     




     
 
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