Definition of Yolk gland. Meaning of Yolk gland. Synonyms of Yolk gland

Here you will find one or more explanations in English for the word Yolk gland. Also in the bottom left of the page several parts of wikipedia pages related to the word Yolk gland and, of course, Yolk gland synonyms and on the right images related to the word Yolk gland.

Definition of Yolk gland

Yolk gland
Yolk Yolk (y[=o]lk or y[=o]k; 277), n. [OE. yolke, yelke, [yogh]olke, [yogh]elke, AS. geoloca, geoleca, fr. geolu yellow. See Yellow.] [Written also yelk.] 1. The yellow part of an egg; the vitellus. 2. (Zo["o]l.) An oily secretion which naturally covers the wool of sheep. Yolk cord (Zo["o]l.), a slender cord or duct which connects the yolk glands with the egg chambers in certain insects, as in the aphids. Yolk gland (Zo["o]l.), a special organ which secretes the yolk of the eggs in many turbellarians, and in some other invertebrates. See Illust. of Hermaphrodite in Appendix. Yolk sack (Anat.), the umbilical vesicle. See under Unbilical.

Meaning of Yolk gland from wikipedia

- Among animals which produce one, the yolk (also known as the vitellus) is the nutrient-bearing portion of the egg whose primary function is to supply food...
- membranes. Some secretory components from the uterine glands are taken up by the secondary yolk sac lining the exocoelomic cavity during pregnancy, and...
- vesicles (Latin: glandulae vesiculosae), vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some...
- an armed scolex. Proglottids have a central ovary, with a vitellarium (yolk gland) posterior to it. As in all cyclophyllid cestodes, a genital pore occurs...
- Dilepididae, which have genital openings on both sides), and a compact yolk gland or vitellarium posterior to the ovary. Families include: Dipylidiidae...
- reproductive tissue breaks away, stimulating the egg-producing glands to treat it as a yolk and wrap it in albumen, membranes and a s**** as it travels through...
- of cells are found at the different layers of the gastric glands. The three types of glands are all located beneath the gastric pits within the gastric...
- gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of...
- beginning in the prenatal period through menopause. It is also an endocrine gland because of the various hormones that it secretes. The ovaries are considered...
- number of vitelline glands on either side of the body, that produce yolk cells.[clarification needed] After the egg is surrounded by yolk cells, its s****...
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