Parathyroid gland, Biology

Assignment Help:

PARATHYRIOD GLANDS -

  1. They develop from the endoderm of the embryo.
  2. The parathyroid glands consist of four separate glands located on the posterior surface of the lobes of the thyroid gland.
  3. The cells of parathyroid glands are arranged in a compact mass and are of two types: small chief cells or principal cells and large oxyphil cells (or eosinophil cells).
  4. The cells are enclosed by a delicate connective tissue capsule. The chief cells are much more numerous than the oxyphil cells. The latter are absent in the young and appear a little before the age of puberty.

269_parathyroid gland.png


Related Discussions:- Parathyroid gland

What is temporal lobe, Mention where the following are located in the human...

Mention where the following are located in the human brain, and give single function of each: a) Temporal lobe b) Cerebellum c) Corpus callosum

Identification and care of taxonomic collections, Q. Identification and Car...

Q. Identification and Care of Taxonomic collections? Collection of plant specimens is essential for taxconomic research. Herbarium specimens become a permanent record. Select t

Explain the disadvantages of fixation, Explain the Disadvantages of Fixatio...

Explain the Disadvantages of Fixation? Fixation has following disadvantages also. These are highlighted herewith: (i) It distorts the cell's appearance. (ii) Motility can

Which glands is affected by the hormones, Which pair of glands is affected ...

Which pair of glands is affected by the hormones from the posterior pituitary? A) thyroid, ovaries B) adrenal cortex, liver C) testes, mammary glands D) kidneys, uterus

What is working memory, Q. What is Working Memory? Working Memory: It h...

Q. What is Working Memory? Working Memory: It has often been suggested that memory does not always work in three stage sequence and the model of memory system comprising of sen

Agro industrial-by-products from sugar industry, By-Products from Sugar Ind...

By-Products from Sugar Industry India is one of the important sugarcane (Saccharum officinarum) growing countries of the world. Five main by-products are available from the su

Explain phylum sporozoa, Phylum Sporozoa 1) Thcy do not liavc any exter...

Phylum Sporozoa 1) Thcy do not liavc any external locomotory dcvice and move by wriggling. 2) Reproduction by producing numerous spores. 3) All are parasites of animals,

Clinical manifestation and diagnosis of pericardiocentesis, Clinical Manife...

Clinical Manifestation Occurs over an extended time period and mimic those of CHF and corpulmonale. Dyspnea on exertion, dependent odema, ascitis, fatigue, anorexia and weight

Define criteria for assessment of vitamin k status, Define Criteria for Ass...

Define Criteria for Assessment of Vitamin K Status? The parameters of blood clotting time and prothrombin time are used as criteria  to assess vitamin K status as this vitamin

Discuss the importance of septa in maxillary sinus, Discuss the importance ...

Discuss the importance of septa in maxillary sinus during a sinus lift or graft surgery. Septa, when present in the maxillary sinus will divide it into sections creating separa

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd