• Publications
  • Influence
Two-sidearm tracheal cannula for respiratory airflow measurements in small animals.
TLDR
These characteristics, coupled with small volume and flow resistance, make the use of these cannulas as pneumotachographs a suitable and very practical way of measuring mean airflow and tidal volume in anesthetized small animals, ranging in size from newborn rats to newborn puppies.
Implications of hypoxic hypometabolism during mammalian ontogenesis
  • J. Mortola
  • Biology, Medicine
    Respiratory Physiology & Neurobiology
  • 12 August 2004
TLDR
Some of the long-term respiratory effects of neonatal hypoxia are reminiscent of those observed in adult animals and humans native and living in high altitude regions.
Gas exchange in avian embryos and hatchlings.
  • J. Mortola
  • Biology, Medicine
    Comparative biochemistry and physiology. Part A…
  • 1 August 2009
TLDR
This review summarises the general aspects of the natural history of the avian egg that are pertinent to embryonic metabolism, growth and gas exchange and the characteristics of the structures participating in gas exchange.
Breathing pattern in newborns.
  • J. Mortola
  • Medicine
    Journal of applied physiology: respiratory…
  • 1 June 1984
TLDR
Mean inspiratory flow was more than twice as large in newborn mice and rats than in piglets or infants, whereas the inspiratory time-to-total breath duration ratio was approximately constant among species, averaging 37%.
Scaling the amplitudes of the circadian pattern of resting oxygen consumption, body temperature and heart rate in mammals.
  • J. Mortola, C. Lanthier
  • Biology, Medicine
    Comparative biochemistry and physiology. Part A…
  • 1 September 2004
TLDR
In mammals, despite the huge differences in physical characteristics, the amplitude of the circadian pattern is a fixed ( for V (O(2)) and HR), or almost fixed (for T(b), fraction of the 24-h mean value.
Resting breathing frequency in aquatic mammals: A comparative analysis with terrestrial species
TLDR
The low f has evolved to be part of the genetic makeup of aquatic mammals, retained when the animal is ashore, and already expressed at birth.
Respiratory Physiology of Newborn Mammals: A Comparative Perspective
TLDR
The Respiratory Muscles of the Newborn Thorax Mechanical Interaction between Lungs and Chest Wall The Active Mechanical Behavior Energetics Interspecies Comparisons Clinical Implications Summary shows the importance of knowing the physical and mechanical properties of the respiratory system before and after birth.
Breathing through skin in a newborn mammal
TLDR
In the Julia Creek dunnart (Sminthopsis douglasi), a marsupial mouse with one of the smallest newborns of any mammal, gas exchange through the skin is the predominant form of O2 and CO2 transfer in the first days after birth.
Onset of respiration in infants delivered by cesarean section.
TLDR
Tidal volume and FRC of the first breath are similar to that reported in babies delivered vaginally, which suggests that the forces required for lung inflation are similar in the two groups of infants.
Oxygen consumption of the chicken embryo: interaction between temperature and oxygenation
TLDR
The hypometabolic effects of hypoxia on the chicken embryo's VO2 depend on the development of the thermogenic ability, occurring predominantly at high T during the early (ectothermic phase) and at low T duringThe late (endothermic) phase.
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