Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Gastric Emptying01:16

Gastric Emptying

1.0K
Gastric emptying occurs when the stomach gradually releases chyme into the duodenum. When the stomach is distended, it triggers the release of gastrin, a hormone that promotes gastric acid secretion to aid in digestion. Additionally, stomach distension contributes to peristaltic waves that propel gastric contents toward the pyloric region. The gastroenteric reflex, on the other hand, primarily stimulates peristalsis in the intestines, facilitating the movement of contents further along the...
1.0K
Gastric Phase of Digestion01:26

Gastric Phase of Digestion

1.2K
The gastric phase of digestion begins as soon as food enters the stomach. The incoming food bolus triggers neural and hormonal mechanisms, which last approximately 3 to 4 hours. During this phase, the stomach undergoes significant changes to prepare the food for further digestion and absorption.
When food enters the stomach, it stretches the stomach walls and activates stretch receptors. This triggers local reflexes of the enteric nervous system, mediated through the myenteric plexus. These...
1.2K
Intestinal Phase of Digestion01:29

Intestinal Phase of Digestion

5.3K
The intestinal phase of digestion is the third and final stage of the digestive process, occurring after the cephalic and gastric phases. It begins when chyme, a partially digested mixture of food and digestive enzymes, enters the small intestine from the stomach. This phase is crucial for nutrient absorption and involves complex hormonal and enzymatic interactions.
The arrival of the chyme in the small intestine distends the duodenum, which triggers the enterogastric reflex. This distension...
5.3K
Secretory Phase01:19

Secretory Phase

968
The secretory phase of the menstrual cycle, spanning from day 14 to 28 in a typical 28-day cycle, is a period of significant physiological changes in the female reproductive system. This phase commences immediately after ovulation and is characterized by the preparation of the endometrium for potential embryo implantation.
Following ovulation, the corpus luteum, a temporary endocrine structure, produces progesterone and estrogens. These hormones stimulate the growth and coiling of endometrial...
968
Menses Phase01:18

Menses Phase

350
The uterine cycle begins with the menstrual phase, which is considered day one of the cycle and typically lasts about five days. This phase is characterized by the degeneration and shedding of the stratum functionalis, the functional layer of the endometrium.
When fertilization does not occur, the corpus luteum deteriorates, causing a significant drop in the levels of estrogen and progesterone in the body. This hormonal decrease triggers the release of prostaglandins, which cause the uterine...
350
Hormonal Regulation01:40

Hormonal Regulation

43.9K
Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
43.9K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Correction to: Does onlay mesh placement in emergency laparotomy prevent incisional hernia? A prospective randomized double‑blind study.

Hernia : the journal of hernias and abdominal wall surgery·2025
Same author

Young Turkish Adults Show a Continuing Positive Secular Change of Height but an Alarming Increase of Overweight in Males: Pilot Study for the Initiation of Updated Growth Charts

Journal of clinical research in pediatric endocrinology·2025
Same author

Diversity of electrocardiographic patterns in left main culprit acute ST-elevation myocardial infarction.

American heart journal·2025
Same author

Transcutaneous electrical acupuncture point stimulation and quality of recovery following cesarean delivery: A randomized controlled trial.

International journal of obstetric anesthesia·2024
Same author

Effect of Remote Ischemic Preconditioning in Total Knee Arthroplasty on Thiol-Disulfi de Balance: a Randomized Controlled Study.

Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca·2023
Same author

Comparison of the effects of low-flow and normal-flow anesthesia on intracranial pressure, cerebral oxygenation and bispectral index in laparoscopic cholecystectomy operation.

European review for medical and pharmacological sciences·2023

Related Experiment Video

Updated: Aug 6, 2025

Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care
05:50

Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care

Published on: September 22, 2023

3.0K

Does the menstrual phase affect gastric emptying? Prospective, observational study.

M S Tutar1, N Sekmenli, G Erol

  • 1Department of Anesthesiology and Reanimation, Department of Radiology, University of Health Sciences, Konya City Hospital, Konya, Turkey. masatu42@gmail.com.

European Review for Medical and Pharmacological Sciences
|March 17, 2023
PubMed
Summary
This summary is machine-generated.

Gastric emptying of solid foods is slower during the luteal phase of the menstrual cycle. This study used ultrasonography to assess gastric volume in women of reproductive age, finding significant differences between menstrual cycle phases.

More Related Videos

Assessment of Gastric Emptying in Non-obese Diabetic Mice Using a [13C]-octanoic Acid Breath Test
12:24

Assessment of Gastric Emptying in Non-obese Diabetic Mice Using a [13C]-octanoic Acid Breath Test

Published on: March 23, 2013

13.7K
Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.
09:29

Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.

Published on: September 18, 2014

10.4K

Related Experiment Videos

Last Updated: Aug 6, 2025

Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care
05:50

Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care

Published on: September 22, 2023

3.0K
Assessment of Gastric Emptying in Non-obese Diabetic Mice Using a [13C]-octanoic Acid Breath Test
12:24

Assessment of Gastric Emptying in Non-obese Diabetic Mice Using a [13C]-octanoic Acid Breath Test

Published on: March 23, 2013

13.7K
Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.
09:29

Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.

Published on: September 18, 2014

10.4K

Area of Science:

  • Gastroenterology
  • Reproductive Endocrinology
  • Anesthesiology

Background:

  • Pulmonary aspiration of gastric content is a significant risk during anesthesia.
  • The impact of menstrual cycle phases on gastric emptying remains poorly understood.
  • Understanding gastric emptying variations is crucial for patient safety in medical procedures.

Purpose of the Study:

  • To investigate the relationship between menstrual cycle phases and gastric emptying.
  • To assess gastric emptying times using ultrasonography in healthy volunteers.
  • To determine if hormonal fluctuations influence the rate of stomach emptying.

Main Methods:

  • Prospective observational study involving 24 healthy volunteers of reproductive age.
  • Gastric ultrasonography (USG) performed during the follicular (days 8-10) and luteal (days 18-20) phases.
  • Evaluation of gastric volume after liquid and solid food intake following standardized fasting periods.

Main Results:

  • A full stomach was detected in 8.3% of all measurements.
  • After solid food intake, a full stomach was observed in 6 subjects during the luteal phase versus none in the follicular phase (p=0.031).
  • No significant difference in gastric emptying after liquid intake was noted between phases (p=0.500).

Conclusions:

  • Gastric emptying of solid foods is significantly slowed during the luteal phase of the menstrual cycle.
  • Ultrasonography is a viable tool for assessing gastric volume and emptying.
  • Menstrual cycle phase influences gastric emptying, particularly for solid meals.