Sentences with phrase «normal animal development»

He says it's also important to understand the protein's biological role in cellular signaling and normal animal development as well as to consolidate its role in human cancer development, progression and drug - resistance.

Not exact matches

In animal models, exposure to cigarette smoke or nicotine during fetal development alters the expression of the nicotinic acetylcholine receptor in areas of the brainstem important for autonomic function, 28 alters the neuronal excitability of neurons in the nucleus tractus solitarius (a brainstem region important for sensory integration), 29 and alters fetal autonomic activity and medullary neurotransmitter receptors.30 In human infants, there are strong associations between nicotinic acetylcholine receptor and serotonin receptors in the brainstem during development.31 Prenatal exposure to tobacco smoke attenuates recovery from hypoxia in preterm infants, 32 decreases heart rate variability in preterm33 and term34 infants, and abolishes the normal relationship between heart rate and gestational age at birth.33 Moreover, infants of smoking mothers exhibit impaired arousal patterns to trigeminal stimulation in proportion to urinary cotinine levels.35 It is important to note also that prenatal exposure to tobacco smoke alters the normal programming of cardiovascular reflexes such that there is a greater - than - expected increase in blood pressure and heart rate in response to breathing 4 % carbon dioxide or a 60 ° head - up tilt.36 These changes in autonomic function, arousal, and cardiovascular reflexes might all increase an infant's vulnerability to SIDS.

Work on animals has suggested that ultrasounds can in fact interfere with fetal brain development, derailing the normal movements of cells that populate the brain.

They found that the Fgf3 and Fgf8 ligands, which are abundant in normal tooth development, were remarkably absent in incisor and molar teeth of the animals lacking Sp7.

Mutations in these animals began to amass during embryonic development, while normal animals don't begin to accumulate mutations until after birth.

Although mice completely lacking SLC6A14 are viable and exhibit normal mammary gland development, these animals are highly resistant to mammary tumour initiation and progression driven by potent oncogenes.

One thing is certain: low - protein diets depressed normal growth, increased the suceptibility to many toxins, killed toxin - exposed animals earlier, induced fatty liver, and increased the development of pre-cancerous lesions when fed during the initiation period of chemical carcinogenesis.

Humane Canada believes that experiments and activities involving live animals should be limited to observations of the normal living patterns, behaviour, growth, and development of domestic animals, or wild animals in the free living state or in those zoos or aquaria which maintain animals in suitable naturalistic environments which meet the health, emotional and behavioural needs of each species of animal.

Humane Canada opposes the use of animals in school - sponsored or approved experiments, lessons, or projects that: interfere with the normal health or development of the animals; constitute major manipulation of the animals» behaviour or environment; or cause pain, fear, anxiety, or discomfort.

Socialization to people, animals and situations outside of the family (prior to 16 weeks of age) is the most effective strategy for minimizing the development of fears and phobias to normal, everyday circumstances.

Proper daily nutrition is an important factor in keeping your pet healthy, as it bolsters the immune system and supports normal development in younger animals.

Talk to us at North Figueroa Animal Hospital about your pet's need to chew as part of its normal development, its ongoing dental needs, and keeping its teeth clean to avoid gum and other diseases as it matures or ages.

I have witnessed first - hand the normal and healthy development of all types farm animals neutered at a young age.