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НазваSalivary gland (Endocrine system) (реферат)
АвторRoman
РозділІноземна мова, реферати англійською, німецькою
ФорматWord Doc
Тип документуРеферат
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Salivary gland (Endocrine system)

 

 

 

Salivary+Glands

 

HYPERLINK "http://en.wikipedia.org/wiki/Latin" \o "Latin" Latin

glandulae salivariae

 

 

The salivary glands in HYPERLINK

"http://en.wikipedia.org/wiki/Mammals" \o "Mammals" mammals are

HYPERLINK "http://en.wikipedia.org/wiki/Exocrine_glands" \o "Exocrine

glands" exocrine glands that produce HYPERLINK

"http://en.wikipedia.org/wiki/Saliva" \o "Saliva" saliva . They also

secrete HYPERLINK "http://en.wikipedia.org/wiki/Amylase" \o "Amylase"

amylase , an HYPERLINK "http://en.wikipedia.org/wiki/Enzyme" \o

"Enzyme" enzyme that breaks down HYPERLINK

"http://en.wikipedia.org/wiki/Starch" \o "Starch" starch into

HYPERLINK "http://en.wikipedia.org/wiki/Glucose" \o "Glucose" glucose .

In other organisms such as HYPERLINK

"http://en.wikipedia.org/wiki/Insecta" \o "Insecta" insects , salivary

glands are often used to produce biologically important proteins like

HYPERLINK "http://en.wikipedia.org/wiki/Silk" \o "Silk" silk or glues,

and HYPERLINK "http://en.wikipedia.org/wiki/Fly" \o "Fly" fly

salivary glands contain HYPERLINK

"http://en.wikipedia.org/wiki/Polytene_chromosome" \o "Polytene

chromosome" polytene chromosomes that have been useful in HYPERLINK

"http://en.wikipedia.org/wiki/Genetics" \o "Genetics" genetic

research.

 

Histology

 

The glands are enclosed in a capsule of HYPERLINK

"http://en.wikipedia.org/wiki/Connective_tissue" \o "Connective tissue"

connective tissue and internally divided into HYPERLINK

"http://en.wikipedia.org/wiki/Lobe" \o "Lobe" lobules . Blood vessels

and nerves enter the glands at the HYPERLINK

"http://en.wikipedia.org/wiki/Hilum" \o "Hilum" hilum and gradually

branch out into the lobules.

 

Ducts

 

In the duct system, the lumens formed by HYPERLINK

"http://en.wikipedia.org/wiki/Intercalated_ducts" \o "Intercalated

ducts" intercalated ducts , which in turn join to form HYPERLINK

"http://en.wikipedia.org/wiki/Striated_ducts" \o "Striated ducts"

striated ducts . These drain into ducts situated between the lobes of

the gland (called HYPERLINK

"http://en.wikipedia.org/wiki/Interlobar_ducts" \o "Interlobar ducts"

interlobar ducts or excretory ducts).

 

All of the human salivary glands terminate in the mouth, where the

saliva proceeds to aid in digestion. The saliva that salivary glands

release is quickly inactivated in the stomach by the acid that is

present there.

 

Anatomy

 

The salivary glands are situated at the entrance to the HYPERLINK

"http://en.wikipedia.org/wiki/Gastrointestinal_system" \o

"Gastrointestinal system" gastrointestinal system to help begin the

process of digestion.

 

Parotid Glands

 

The HYPERLINK "http://en.wikipedia.org/wiki/Parotid_glands" \o

"Parotid glands" parotid glands are a pair of glands located in the

HYPERLINK "http://en.wikipedia.org/wiki/Subcutaneous_tissues" \o

"Subcutaneous tissues" subcutaneous tissues of the face overlying the

HYPERLINK "http://en.wikipedia.org/wiki/Mandibular_ramus" \o

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