Morphology and glycoconjugate histochemistry of the palpebral glands of the adult newt, Notophthalmus viridescens
Identifieur interne : 00D659 ( Main/Exploration ); précédent : 00D658; suivant : 00D660Morphology and glycoconjugate histochemistry of the palpebral glands of the adult newt, Notophthalmus viridescens
Auteurs : Randall W. Reyer [États-Unis] ; Willisa Liou [États-Unis, République populaire de Chine] ; Carlin A. Pinkstaff [États-Unis]Source :
- Journal of Morphology [ 0362-2525 ] ; 1992-02.
English descriptors
- Teeft :
- Acidic, Acidic glycoconjugates, Acinar, Acinar cells, Acinus, Adult newt, Adult newts, Anuran, Basally, Bulbar conjunctiva, Conjunctiva, Conjunctival, Conjunctival epithelium, Conjunctival glands, Connective tissue, Convoluted, Cuboidal, Cutaneous, Cutaneous glands, Cytoplasmic granules, Dawson, Dent, Dorsal, Dorsal eyelid, Dorsal eyelids, Duct, Early stages, Epidermis, Epithelium, Epox section, Ethanol, Eyelid, Eyelid glands, Fixative, Frog, Gland, Glandes cutanees, Glycoconjugate, Glycoconjugate histochemistry, Glycoconjugates, Glycoprotein, Goblet cells, Granular glands, Granule, Himesmoriber stain, Histochemical, Human conjunctiva, Large cells, Mucin, Mucous, Mucous glands, Mucous secretion, Myoepithelial, Myoepithelial cells, Neutral glycoconjugates, Neutral glycoproteins, Palpebral, Palpebral conjunctiva, Pap, Papd, Paps method, Paraffin sections, Plastic sections, Polyploid nuclei, Quang, Quang trong, Reyer, Secretion, Secretory, Secretory cells, Secretory cycle, Secretory granules, Secretory material, Secretory product, Secretory products, Serial sections, Seromucous, Seromucous glands, Serous, Serous glands, Simple acinar mucous gland, Simple acinar mucous glands, Simple acinar serous gland, Simple acinar serous glands, Stain, Staining reactions, Sulfated, Sulfated glycoconjugates, Toluidine, Trichrome, Trichrome stain, Trong, Tubular gland, Unicellular, Unicellular mucous glands, Urodele, Vacuole, Ventral, Ventral eyelid, Ventral eyelids, Vicinal hydroxyl groups.
Abstract
The eyelids of the newt were studied in 10 μm serial paraffin and 1–2 μm plastic sections using standard histological stains and special stains for glycconjugates. The eylids contain four different glands. Simple acinar serous and simple acinar mucous glands occur in the skin; unicellular mucous glands occur in the conjunctiva; and convoluted tubular seromucous glands are present in connective tissue beneath the conjunctiva. The first two are identical to cutaneous glands found elsewhere on the head and body. The simple acinar serous glands are surrounded by myoepithelial cells and release their sectetion, which is composed largely of proteins with minimal glycoconjugate content, by a holocrine mechansm. The secretory product of the simple acinar mucous glands is composed of neutral glycoconjugates with a minor content of acidic glycoconjugates; the mucin exhibits strong PAS and PAPD staining and weak staining by AB and PAPS methods. The unicellular conjunctival mucous glands secrete both neutral and acidic glycoconjugates as shown by positive reactions with PAS, PAPD, PAPS, and AB methods. Convoluted tubular seromucous glands in the ventral eyelid synthesize both proteins and neutral glycoconjugates. The mucous secretions of the conjunctival glands probably provide lubrication and protection for the cornea.
Url:
DOI: 10.1002/jmor.1052110205
Affiliations:
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The eylids contain four different glands. Simple acinar serous and simple acinar mucous glands occur in the skin; unicellular mucous glands occur in the conjunctiva; and convoluted tubular seromucous glands are present in connective tissue beneath the conjunctiva. The first two are identical to cutaneous glands found elsewhere on the head and body. The simple acinar serous glands are surrounded by myoepithelial cells and release their sectetion, which is composed largely of proteins with minimal glycoconjugate content, by a holocrine mechansm. The secretory product of the simple acinar mucous glands is composed of neutral glycoconjugates with a minor content of acidic glycoconjugates; the mucin exhibits strong PAS and PAPD staining and weak staining by AB and PAPS methods. The unicellular conjunctival mucous glands secrete both neutral and acidic glycoconjugates as shown by positive reactions with PAS, PAPD, PAPS, and AB methods. Convoluted tubular seromucous glands in the ventral eyelid synthesize both proteins and neutral glycoconjugates. The mucous secretions of the conjunctival glands probably provide lubrication and protection for the cornea.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li><li>États-Unis</li></country><region><li>Virginie-Occidentale</li></region></list><tree><country name="États-Unis"><region name="Virginie-Occidentale"><name sortKey="Reyer, Randall W" sort="Reyer, Randall W" uniqKey="Reyer R" first="Randall W." last="Reyer">Randall W. Reyer</name></region><name sortKey="Liou, Willisa" sort="Liou, Willisa" uniqKey="Liou W" first="Willisa" last="Liou">Willisa Liou</name><name sortKey="Pinkstaff, Carlin A" sort="Pinkstaff, Carlin A" uniqKey="Pinkstaff C" first="Carlin A." last="Pinkstaff">Carlin A. Pinkstaff</name></country><country name="République populaire de Chine"><noRegion><name sortKey="Liou, Willisa" sort="Liou, Willisa" uniqKey="Liou W" first="Willisa" last="Liou">Willisa Liou</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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