Anatomy and Physiology of Animals/Glossary/K-L

A-B | C-D | E-F | G-H | I-J | K-L | M-N | O-P | Q,R,S | T,U,V,W,X,Y,Z WordMeaningKKeelThe breast bone in birdsKeratinA protein found in epidermis, hair, feathers, hoofs etc.KidneyThe organ that produces urineLLachrymal glandThe tear gland of the eyeLactation The secretion and ejection of milk by mammary glands|LactealA lymphatic vessel within the villi of the small intestineLacunaA small hollow spaceLamellaeConcentric rings of hard calcified material found in compact boneLarge intestinePart of the gut consisting of the colon, caecum, rectum and anal canalLarynxThe voice boxLateralAway from the midlineLensTransparent part of the eye that helps focus light rays on the retinaLeukocyteA white blood cellLigamentDense connective tissue that attaches bone to boneLipaseDigestive enzyme that breaks down fats (lipids)LipidFatLiverThe large organ caudal to the diaphragmLongitudinalLengthwise slice of an animal or organLordosis responseStanding firm to pressure on the loin regionLumbarLoin region of the backLumenA space within an artery, vein, intestine or tubeLungThe organs of respirationLuteinising hormoneThe hormone from the anterior pituitary gland that stimulates ovulation and development of corpus luteumLymphTissue fluid that has entered the lymphatic systemLymph nodeA structure that filters lymph and produces lymphocytesLymphatic capillaryThe closed ended microscopic vessel that collects lymph in tissuesLymphatic tissueSpecialised tissue that contains large numbers of lymphocytesLymphatic vesselA large vessel that carries lymphLymphocyteA white blood cell associated with the immune responseLysosomeA cell organelle that contains digestive enzymes