| developmental grooves | Fine lines found in the enamel of a tooth that mark the junction of the lobes of the crown in its development. Synonym: developmental lines. (05 Mar 2000) |
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| developmental lines | Fine lines found in the enamel of a tooth that mark the junction of the lobes of the crown in its development. Synonym: developmental lines. (05 Mar 2000) |
| developmental milestones | <paediatrics> (1-3 years) In ascending order: masters walking, recognises gender differences, uses up to 8 words and understands simple commands, able to run, pivot and walk backwards, uses spoon to feed self, can name pictures of common objects, can point to body parts, imitates speech of others, begins pedaling tricycle, learns to take turns in play with other children, able to feed self neatly with minimal spill, able to say first and last name, able to draw a line when shown, dresses self with minimal help, learns to share toys without parent direction (12-18 years) In ascending order: boys exhibit secondary sexual characteristics (chest, facial, axillary and pubic hair growth voice changes, penile enlargement), movement into adult height/weight category, cognitive abilities move from simply concrete to abstract, peer acceptance and recognition is vital (3-6 years) In ascending order: rides tricycle well, able to draw a circle, able to draw stick figures, hops on one foot, catches a bounced ball, understands size concepts, enjoys rhymes and word play, able to skip, increased independence in performing tasks without parental assistance, begins to ride bicycle, understands time concepts, begins to recognise written words, starts reading skills, starts school (6-12 years) In ascending order: understands and is able to follow sequential directions, beginning skills for team sports, begins to lose baby teeth and erupt permanent teeth, reading skills develop further, peer recognition becomes important, girls begin to demonstrate secondary sexual characteristics (pubic hair, axillary hair, breast development), first menstrual period may occur (birth-1 year) In ascending order: displays social smile, rolls over by self, able to sit alone without support, babbling, plays peek-a-boo, eruption of first tooth, pulls self to standing position, walks while holding on to furniture or other support, says mama or dada in proper situations, able to drink from cup, understands NO and will stop activity in response, walks without support (27 Sep 1997) |
| developmental psychology | The study of the psychological, physiological, and behavioural changes in an organism that occur from birth to old age. (05 Mar 2000) |
| bone within a bone | <radiology> STOP heavy metal, S: sickle cell disease, T: Thorotrast, O: osteopetrosis, P: Paget's disease, heavy metals, hypervitaminosis D (12 Dec 1998) |
| acoustic nerve diseases | Diseases of the eighth cranial nerve. These include vestibular neuronitis, cochlear neuritis and acoustic neuroma. (12 Dec 1998) |
| adaptation diseases | Disease's falling theoretically into Selye's concept of the general-adaptation syndrome. (05 Mar 2000) |
| adnexal diseases | Diseases of the uterine appendages: the ovaries, uterine tubes, and ligaments of the uterus. (12 Dec 1998) |
| agricultural workers' diseases | Diseases in persons engaged in cultivating and tilling soil, growing plants, harvesting crops, raising livestock, or otherwise engaged in husbandry and farming. The diseases are not restricted to farmers in the sense of those who perform conventional farm chores: the heading applies also to those engaged in the individual activities named above, as in those only gathering harvest or in those only dusting crops. (12 Dec 1998) |
| ape diseases | Diseases of apes (pongidae). This term includes diseases of chimpanzees, gorillas, and orangutans. (12 Dec 1998) |
| arterial occlusive diseases | Diseases in which arterial vessels are partially or completely obstructed or in which the blood flow through the vessels is impeded. (12 Dec 1998) |
| auditory diseases, central | Diseases of the auditory pathways from the bulbar cochlear nuclei to the auditory cortex in the temporal lobe. Structures involved include the medial and lateral lemnisci, inferior colliculus, and the medial geniculate nucleus. (12 Dec 1998) |
| autoimmune diseases | Are illnesses which occur when the body tissues are attacked by its own immune system. The immune system is a complex organisation within the body that is designed normally to seek and destroy invaders of the body, particularly infections. Patients with these diseases have unusual antibodies in their blood that target their own body tissues. (12 Dec 1998) |
| autonomic nervous system diseases | Diseases that have their major effects on the autonomic nervous system. The autonomic nervous system may be seriously affected in many other disorders including other peripheral nervous system diseases, infectious diseases (e.g., tetanus, diphtheria), immunologic diseases (e.g., acquired immunodeficiency syndrome), and systemic disorders (e.g., diabetic neuropathy, amyloid neuropathy, thyroid diseases). Disorders of central autonomic control also contribute substantially to a wide variety of problems (e.g., eating disorders, panic disorder, water-electrolyte imbalance, cardiovascular diseases). (12 Dec 1998) |
| bird diseases | Diseases of birds not considered poultry, therefore usually found in zoos, parks, and the wild. The concept is differentiated from poultry diseases which is for birds raised as a source of meat or eggs for human consumption, and usually found in barnyards, hatcheries, etc. (12 Dec 1998) |