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Related Concept Videos

The Pituitary Gland01:17

The Pituitary Gland

10.2K
The pituitary is a small endocrine organ in the sphenoid bone under the hypothalamus. Primarily, the pituitary in adults has two distinct anatomical and functional regions— the anterior and posterior lobes. During human fetal development, a third pituitary gland region called the pars intermedia atrophies and disappears. However, some of its cells migrate and exist adjacent to the anterior pituitary in adults.
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Hormones of the Pituitary Gland01:27

Hormones of the Pituitary Gland

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The small, pea-sized pituitary gland is located at the base of the brain. It is crucial in regulating various bodily functions, from growth to reproduction. The gland is divided into the anterior lobe and the posterior lobe. The secretory cell clusters in the pars distalis of the anterior pituitary lobe are controlled by hypothalamic regulators and synthesize six primary hormones.
The most abundantly secreted hormone from the anterior lobe is the growth hormone, which controls overall growth by...
9.7K
Hypothalamic-Pituitary Axis01:37

Hypothalamic-Pituitary Axis

65.6K
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
65.6K
Overview of Transposition and Recombination02:13

Overview of Transposition and Recombination

19.0K
Transposons make up a significant part of genomes of various organisms. Therefore, it is believed that transposition played a major evolutionary role in speciation by changing genome sizes and modifying gene expression patterns. For example, in bacteria, transposition can lead to conferring antibiotic resistance. Movement of transposable elements within the genetic pool of pathogenic bacteria can aid in transfer of antibiotic-resistant genetic elements. In eukaryotes, transposons can carry out...
19.0K
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias01:16

ECG Interpretation of Arrhythmias I: Sinus Arrhythmias

781
Arrhythmias are disturbances in the heart's rhythm that lead to abnormal heartbeats. These irregularities can originate from different parts of the heart and are classified based on their origin and nature.
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
781
Exocrine Glands: Unicellular and Multicellular Glands01:29

Exocrine Glands: Unicellular and Multicellular Glands

32.3K
Exocrine glands are classified as unicellular and multicellular. The unicellular glands are scattered single cells, such as goblet cells, found in the mucous membranes of the small and large intestines. On the other hand, multicellular exocrine glands develop as secretory sheets, like the internal lining of the abdomen or chest. Such secretory sheets release their secretions directly into the lumen of these organs. In addition, some multicellular glands have deep-seated secretory units to...
32.3K

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Related Experiment Video

Updated: Jan 21, 2026

Dissection and Coronal Slice Preparation of Developing Mouse Pituitary Gland
06:53

Dissection and Coronal Slice Preparation of Developing Mouse Pituitary Gland

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Transcavernous sinus pituitary gland transposition: how I do it.

Eugenio Cárdenas Ruiz-Valdepeñas1, Ariel Kaen2, Jorge Tirado Caballero2

  • 1Department of Neurological Surgery, Hospital Virgen Del Rocío, Avenida Manuel siurot s/n, 41013, Sevilla, Spain. eugeniocarde@hotmail.com.

Acta Neurochirurgica
|July 22, 2019
PubMed
Summary
This summary is machine-generated.

Pituitary transposition is a safe and effective surgical technique for accessing superior clival tumors. This method preserves pituitary gland function through careful anatomical dissection and minimal manipulation.

Keywords:
HypophysisPituitary functionPituitary gland transpositionSuperior clivus approachTranscavernous transposition

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Development of Organoids from Mouse Pituitary as In Vitro Model to Explore Pituitary Stem Cell Biology
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Development of Organoids from Mouse Pituitary as In Vitro Model to Explore Pituitary Stem Cell Biology

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Healthy Brain-pituitary Slices for Electrophysiological Investigations of Pituitary Cells in Teleost Fish
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Healthy Brain-pituitary Slices for Electrophysiological Investigations of Pituitary Cells in Teleost Fish

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Development of Organoids from Mouse Pituitary as In Vitro Model to Explore Pituitary Stem Cell Biology
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Healthy Brain-pituitary Slices for Electrophysiological Investigations of Pituitary Cells in Teleost Fish
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Area of Science:

  • Neurosurgery
  • Anatomy

Background:

  • Accessing superior clival region tumors can be challenging.
  • Preserving pituitary gland function is crucial during such surgeries.

Purpose of the Study:

  • To describe a step-by-step technique for pituitary transposition.
  • To demonstrate the feasibility and safety of this approach for tumor resection.

Main Methods:

  • Detailed anatomical analysis of the cavernous sinus.
  • Step-by-step description of pituitary transposition technique.
  • Surgical approach through different cavernous sinus compartments.

Main Results:

  • The described technique allows for pituitary gland transposition.
  • Minimal manipulation of the pituitary gland is achieved.
  • Improved surgical visualization of the operative area.

Conclusions:

  • Transcavernous sinus pituitary gland transposition is a feasible surgical technique.
  • This method effectively shifts the pituitary gland while preserving its function.
  • The technique is safe and effective for approaching superior clival region tumors.